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Operating Systems MCQ

Operating Systems

1. An address generated by a cpu is referred to as a ____.

Physical address

Logical address

Post relocation register address

Memory-Management Unit (MMU) generated address

Answer

Correct Answer: Logical address

Note: This Question is unanswered, help us to find answer for this one

2. A software utility designed to clean up after a failed software installation is ____.

A diagnostic utility

An uninstaller utility

A disk clean utility

An undelete utility

Answer

Correct Answer: An uninstaller utility

Note: This Question is unanswered, help us to find answer for this one

3. The primary advantage of storing programs in noncontiguous locations is that ____.

Every program will be able to run

Secondary storage is accessed more quickly

Main memory is used more efficiently

Multiple programs can run at the same time

Answer

Correct Answer: Multiple programs can run at the same time

Note: This Question is unanswered, help us to find answer for this one

4. Total productive maintenance (tpm) seeks to do all of the following except ____.

Maximize equipment effectiveness

Create worker ownership

Both A and B

None of these

Answer

Correct Answer: Maximize equipment effectiveness

Note: This Question is unanswered, help us to find answer for this one

5. With ____ connections, polling is not necessary because there is only one terminal per line.

Asynchronous

Multipoint

Infiniband

Point-to-point

Answer

Correct Answer: Point-to-point

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6. The program segment that catches a possible by zero is known as a(n) ______.

Logical operators

You are eligible to vote.

Error trap

$ 430

Answer

Correct Answer: Error trap

Note: This Question is unanswered, help us to find answer for this one

7. The smallest amount of memory the vm can use at any time is called _______.

Startup RAM

Minimum RAM

Memory weight

Memory buffer.

Answer

Correct Answer: Minimum RAM

Note: This Question is unanswered, help us to find answer for this one

8. The linux page replacement algorithm is an expanded version of the ____ replacement policy.

Clock page

Page clock

Clock

Page

Answer

Correct Answer: Clock page

Note: This Question is unanswered, help us to find answer for this one

9. One approach to performing compaction is to do it when a certain ____ of memory becomes busy.

Percentage

109.0909090909091

109.0

109

Answer

Correct Answer: Percentage

Note: This Question is unanswered, help us to find answer for this one

10. No movement between queues is a very simple policy that rewards those who have ____ jobs.

High-priority

Low-priority

CPU-bound

None of these

Answer

Correct Answer: High-priority

Note: This Question is unanswered, help us to find answer for this one

11. A utility tool that can change the software that is launched automatically during start-up is ____.

An autoruns utility

Deleted file recovery

Network performance monitor

Registry cleaner

Answer

Correct Answer: An autoruns utility

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12. Mac os x includes a backup utility called ________.

System Unit

File Path

System Restore

Time Machine

Answer

Correct Answer: Time Machine

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13. A(n) _______ refers to where a process is accessing/updating shared data.

Critical section

Entry section

Mutex

Test-and-set

Answer

Correct Answer: Critical section

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14. In unix/linux, text files and binary files are considered to be ____ files.

Touch

Rmdir

Normal

Regular

Answer

Correct Answer: Regular

Note: This Question is unanswered, help us to find answer for this one

15. Cortana stores personalized information about you in a local database called the __________.

Notepad

Cloud

Personal Assistant

Notebook

Calendar.

Answer

Correct Answer: Notebook

Note: This Question is unanswered, help us to find answer for this one

16. The three standard classes of devices supported by linux are ____.

Character devices, system devices, and network interfaces

System devices, block devices, and network interfaces

Character devices, block devices, and network interfaces

Character devices, block devices, and network devices

Answer

Correct Answer: Character devices, block devices, and network devices

Note: This Question is unanswered, help us to find answer for this one

17. ________ refers to the leasing of hardware with pre-installed operating systems.

Chief information officer

Software as a service (SaaS)

Following security and backup procedures

Platform as a Service (PaaS)

Answer

Correct Answer: Platform as a Service (PaaS)

Note: This Question is unanswered, help us to find answer for this one

18. Bing, google, and yahoo! are all examples of web ____________________.

Default ssid

Search engine

Firewall

Content filtering

Answer

Correct Answer: Search engine

Note: This Question is unanswered, help us to find answer for this one

19. Remote access to a user's pc can be implemented with a ____.

Mental model

Utility software

Virtual Private Network

Paraphrasing

Answer

Correct Answer: Virtual Private Network

Note: This Question is unanswered, help us to find answer for this one

20. The ________ operating system(s) treat uppercase and lowercase letters differently.

UNIX

Linux

Windows

Both a and b

Answer

Correct Answer: Both a and b

Note: This Question is unanswered, help us to find answer for this one

21. ____ is processing that involves performing the same tasks with many records, one after the other.

Volume processing.

Batch processing.

Standard processing

Online processing

Answer

Correct Answer: Volume processing.

Note: This Question is unanswered, help us to find answer for this one

22. A(n) ______ key is a special key programmed to issue commands to a computer.

Ergonomic

Toggle

Tactile

Function

Answer

Correct Answer: Function

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23. Virtual sans allow you to _______.

Eliminate the physical disks

Have virtual hard disks communicate with physical hard disks

Make distant storage accessible to VMs

Utilize the Fibre Channel adapters

Answer

Correct Answer: Make distant storage accessible to VMs

Note: This Question is unanswered, help us to find answer for this one

24. All of the following word groups show parallelism except __________.

Funny, arrogant, kindhearted

To walk to the store, to jump over a puddle, to run around the yard

Smiling at my mother, when I cleaned my room, to ask my parents for a favor

If we wanted to eat lunch, if we needed to buy a car, if we wished to go on vacation

Answer

Correct Answer: Smiling at my mother, when I cleaned my room, to ask my parents for a favor

Note: This Question is unanswered, help us to find answer for this one

25. All of the following are categories of a computer security threat except ____.

subterfuge

necessity

integrity

Secrecy

Answer

Correct Answer: subterfuge

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26. The internal part of an operating system is called the ______.

Kernel

File Manager

Memory Manager

Device Drivers

Answer

Correct Answer: Kernel

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27. The first personal computer operating system was named ___________.

DOS (Disk Operating System)

Communications device

Windows explorer

Optical disk

Answer

Correct Answer: DOS (Disk Operating System)

Note: This Question is unanswered, help us to find answer for this one

28. The cpu stores the results of computations in ________.

Floppy disks

Main memory

Secondary memory

Network cards

Answer

Correct Answer: Main memory

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29. The ________ software makes the computer run.

Programming

System

Coding

Application

Answer

Correct Answer: System

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30. Placing data in a buffer so it can be retrieved later is called _______.

Sleep or hibernate

Process

Driver

Spooling

Answer

Correct Answer: Spooling

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31. Deadlock can occur on a printer when ____.

The printer needs all of a job's output before it will begin printing, but the spooling system fills the available disk space with only partially completed output

The printer needs all of a job's input before it will begin printing, but the spooling system fills the available disk space with only partially completed output

Both a and b

None of the above

Answer

Correct Answer: The printer needs all of a job's output before it will begin printing, but the spooling system fills the available disk space with only partially completed output

Note: This Question is unanswered, help us to find answer for this one

32. Software for pcs contains a _________ program that guides you through the installation process.

Install

EXE

DMG

setup

Answer

Correct Answer: setup

Note: This Question is unanswered, help us to find answer for this one

33. Of the following, the ____ operating system was developed the earliest.

UNIX

Windows

Mac OS

Bitmap

Answer

Correct Answer: UNIX

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34. Microsoft _____ is the new microsoft web browser that lets you display and interact with webpages.

Edge

Internet Explorer

Google Chrome

Firefox

Answer

Correct Answer: Edge

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35. If a user turns on a computer that is currently turned off, it is referred to as a __________.

Cold boot

Warm boot

Load boot

Quick boot

Answer

Correct Answer: Cold boot

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36. A(n) ____ is a flat, touch-sensitive device used in conjunction with a digital pen.

Graphics table

Image tablet

Graphics tablet

Touch screen.

Answer

Correct Answer: Graphics table

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37. ____ are utility programs that search for documents and other files on a users hard drives.

Search tools

Find and Replace tools

Look for tools

None of the above

Answer

Correct Answer: Search tools

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38. Running the disk cleanup utility is a quick way to ________.

Defrag your hard drive

Remove spyware programs

Clear out unnecessary files

Clean out

Answer

Correct Answer: Clear out unnecessary files

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39. Ronald runs both windows 7 and linux on his desktop computer. this process is called ________.

Firmware

Optical disk

PC virtualization

Server farm

Answer

Correct Answer: PC virtualization

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40. One advantage of proprietary software versus off-the-shelf software is that _____.

The initial cost is lower because the software firm can spread the development costs over many customers

It can take a long time and significant resources to develop the required software features

The Internet Protocol (IP)

The software provides a company a competitive advantage by solving problems in a unique manner

Answer

Correct Answer: The software provides a company a competitive advantage by solving problems in a unique manner

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41. If a pc fails its initial nac health assessment, it may be ________.

Move one directory up

Total or nearly total

Administrator

Refused access

Answer

Correct Answer: Refused access

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42. Disk cleanup, file history, and disk defragmenter are all examples of _____ programs.

Storage

Linux

Multitasking

Utility

Answer

Correct Answer: Utility

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43. Disk ________ realigns separated data so that related file pieces are unified.

Defrafmentation

Central Processing Unit (CPU)

Information technology

Nonvolatile (permanent)

Answer

Correct Answer: Defrafmentation

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44. C: denotes a ________ directory that is at the top of the filing structure of a computer.

Sub.

Cluster.

Root.

Domain

Answer

Correct Answer: Root.

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45. Use the windows ________ to check on a nonresponsive program.

System Restore

Task Manager

Error-checking.

Backup utility.

Answer

Correct Answer: Task Manager

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46. The vast majority of smartphones use the or operating systems.

Google and Apple

Apple and Microsoft

Microsoft and Google

Android, iOS

Answer

Correct Answer: Android, iOS

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47. Freebsd is a(n) _____-based operating system.

Apple

UNIX

Linux

Windows 2000 Server.

Answer

Correct Answer: UNIX

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48. The small circuit boards that hold a series of ram chips are called ________.

Memory modules

Flash memory cards

Expansion cards

Virtual memory

Answer

Correct Answer: Memory modules

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49. The means by which you interact with any program on a computer is called the user ____.

User interface

Kernel

Operating system

Virtual memory

Answer

Correct Answer: User interface

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50. The main directory on a storage device is referred to as the ________ directory.

Linux

Site license

Root

MacOS

Answer

Correct Answer: Root

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51. The ____ shows the name and location of the item you have open.

Address bar

Ribbon

Ive tile

Answer

Correct Answer: Address bar

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52. Smartphone operating systems are a type of _____ operating system.

Storage

Real-time

Embedded

None of these

Answer

Correct Answer: Real-time

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53. The ________ statement can cause other program statements to execute only under certain conditions.

Cout

Logical

Cin

Relational

Answer

Correct Answer: If

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54. To develop software you need all these except ________.

Personal application software

Sensory marketing

Attention marketing

Subliminal perception

Answer

Correct Answer: Personal application software

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55. The root of a file system is denoted by the ____.

Dot (.)

Dot dot (..)

Forward slash (/)

Backward slash

Answer

Correct Answer: Forward slash (/)

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56. The process that launched a given process is known as the ________ process.

Parent

Child

Cout

Logical

Answer

Correct Answer: Parent

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57. All of the following are examples of someone using personal productivity software except _________.

Brandon recording the number of miles he's run each day on his exercise tracker

Shawna creating an electronic to-do list for the weekend

Callie entering a customer's order into a restaurant's ordering system

Mark entering appointments into his online calendar

Answer

Correct Answer: Callie entering a customer's order into a restaurant's ordering system

Note: This Question is unanswered, help us to find answer for this one

58. All of the following are examples of activities performed by an operating system except ________.

Allowing a user to manage system memory

Allowing a user to control common computer hardware functions

Allowing a user to manage files

Allowing a user to do word processing

Answer

Correct Answer: Allowing a user to do word processing

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59. A ___________ is any known starting point.

Baseline

Security baseline

Configuration baseline

Host software baseline

Answer

Correct Answer: Baseline

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60. A _________ is a mobile device that typically ranges from seven to ten inches in size.

Tablet

Smartphone

Supercomputers

Answer

Correct Answer: Tablet

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61. A(n) _______________ is a fix for a single problem within an operating system.

Driver

Patch

Service pack

Update

Answer

Correct Answer: Patch

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62. ____ manage the system resources of a computer so programs can run properly.

Utilities

Database management software

Operating systems

Firewalls

Answer

Correct Answer: Operating systems

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63. Buttons act as ____, which instruct windows to perform tasks.

Mouse pointer

Commands

File Explorer

Ribbon

Answer

Correct Answer: Commands

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64. Compressed files sometimes are called ______ files.

Packed

Abridged

Zipped

Concentrated

Answer

Correct Answer: Zipped

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65. Clicking a _____ name opens a drop-down list of commands and options.

Ribbon

Toolbar

Status bar

Answer

Correct Answer: Menu

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66. An icon on your desktop is a component of a ____ interface.

Command-based

Programming

Task-based

Graphical user

Answer

Correct Answer: Graphical user

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67. A(n) ______ expands the capability of a portable computer.

Docking station

Light blue

Lime green

None of these

Answer

Correct Answer: Docking station

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68. A(n) ____ view of data is the way a user thinks about data.

Logical

Desktop

Tablet PC

Server

Answer

Correct Answer: Logical

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69. A(n) ____ operating system is required to perform a command within a certain time frame.

Real-time

Network

Proprietary

None of these

Answer

Correct Answer: Real-time

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70. A(n) ____ is system software

Hardware

Information

Operating system

None of these

Answer

Correct Answer: Operating system

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71. A(n) ____ is a set of instructions or statements to the computer.

Computer Program

Virtual services

Logical

Executable

Answer

Correct Answer: Computer Program

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72. A(n) ____ file consists of several time entries, each marked with a time stamp.

WebVTT

MIME

HTML

Answer

Correct Answer: WebVTT

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73. A printer requires a ____ installed on the computer in order to operate.

Defragmentation

Server

Special purpose

Device driver

Answer

Correct Answer: Device driver

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74. A disadvantage of software monitoring tools is that they ____.

Are expensive to install

Are difficult to install

Only monitor CPU speed and ignore the rest of the system

Become part of the system and can distort analysis results

Answer

Correct Answer: Become part of the system and can distort analysis results

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75. A ______ is a program that runs in the background.

Spooling

Process

Driver

Sleep or hibernate

Answer

Correct Answer: Process

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76. A _____ is a link between devices connected to a computer.

Motherboard

Control unit

Disk drive

Bus

Answer

Correct Answer: Bus

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77. A ____ chip holds software that is used to start the computer.

RAM

ROM

CPU

Buffer

Answer

Correct Answer: ROM

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78. _____ provide(s) an interface to the services provided by an operating system.

Shared memory

System calls

Simulators

Communication

Answer

Correct Answer: System calls

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79. A(n) ____ is a computer program that coordinates all the activities of computer hardware.

App

Operating system (OS)

A and B Both

None of these

Answer

Correct Answer: Operating system (OS)

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80. ______ is a set of applications that manages the activities and resources of a computer.

Client/Server Computing

Capacity planning

Microsoft Office 2013

System software

Answer

Correct Answer: System software

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81. Some important touch gestures begin at the _______________ of the screen.

Corners

Middle

Back

Edges

Answer

Correct Answer: Corners

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82. Memory is said to be ________ if contents are lost when power is off.

Nonvolatile

Volatile

Random

Swapped

Answer

Correct Answer: Volatile

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83. A _____ provides content that is accessible on the world wide web.

Tablet PC

Logical

Device driver

Web server

Answer

Correct Answer: Web server

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84. Software can be divided into two major categories: and .

Application, system

Validation code

Apple Operating Systems

Operating system

Answer

Correct Answer: Application, system

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85. By default, all print jobs have a priority of ____.

-50

100

Answer

Correct Answer: 50

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86. The ________ of the operating system enables users to communicate with the computer system

Network adapter card

Modem

Window

User interface

Answer

Correct Answer: User interface

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87. Clicking or tapping on a(n) ____ file will start up a program.

The internet

Executable

False

Graphical user

Answer

Correct Answer: Executable

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88. You cannot boot a computer from ____________.

Spreadsheet application

Microsoft Office

Personal application software

A wireless network

Answer

Correct Answer: A wireless network

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89. Microsoft windows and mac os use a ________ interface

Graphical user

Graphical user interface

GUI

None of these

Answer

Correct Answer: Graphical user

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90. In most cases, the word "software" is interchangeable with the word _______.

Procedure

Application

Program

Computer

Answer

Correct Answer: Program

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91. In linux, the three levels of file access are , , and .

Owner; group; others

Owner; group; administrator

Administrator; owner others

Owner; domain; group

Answer

Correct Answer: Owner; group; others

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92. Current versions of windows support file names up to ____ characters long.

255

256

257

260

Answer

Correct Answer: 257

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93. All of the following are examples of desktop operating systems except ______.

Chrome OS

Android

UNIX

Linux

Answer

Correct Answer: Android

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94. A file ____ shows the location of a file or folder.

Matrix

Path

Run

Circuit

Answer

Correct Answer: Path

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95. A ____ allows the operating system to store and organize files on a hard disk.

Sector

File system

Boot sector

Master boot table

Answer

Correct Answer: File system

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96. To clean up the registry in windows, you should ______________.

Only settings and programs are changed.

Backup and Restore Center

Calculate the space to be freed up

Acquire the right third-party tool

Answer

Correct Answer: Acquire the right third-party tool

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97. Cd-roms typically use the ____ filesystem type.

Tune2fs

Edquota

/dev

Iso9660

Answer

Correct Answer: Iso9660

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98. In a linux script, the line ____ is important because it identifies the file as a script.

#!/bin/sh

#!/bin/script

#!/bin/shscript

#!/bin/sc

Answer

Correct Answer: #!/bin/sh

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99. Chrome os is the first ____.

Virtual operating system

Storage operating system

Cloud operating system

High-performance operating system

Answer

Correct Answer: Cloud operating system

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100. Odbc works on the _____ operating system.

Kronos

UNIX

Windows

Mac

Answer

Correct Answer: Windows

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101. Processes are started with a nice value of ____ by default.

Answer

Correct Answer: &

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102. A system process that is not associated with a terminal is called a(n) ____ process.

Sixth

Daemon

False

SIGHUP

Answer

Correct Answer: Daemon

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103. If your computer is thrashing, increase ________ to solve the problem.

RAM

IOS

Linux

Power-on self-test (POST)

Answer

Correct Answer: RAM

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104. The maximum number of bytes that can be allocated to a single file in unix is ____.

128

2,113,674

16,522

1,082,201,088

Answer

Correct Answer: 1,082,201,088

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105. The ____ command creates a subdirectory under a directory

Answer

Correct Answer: MD

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106. A process or program that divides itself into multiple threads is said to be ____.

Multi-headed

Multipartite

Multithreaded

Multiplied.

Answer

Correct Answer: Multi-headed

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107. The job scheduler seeks to ____ when scheduling jobs.

Run all CPU intensive jobs first

Run all I/O intensive jobs first

Balance CPU and I/O intensive jobs

Run the quickest jobs first

Answer

Correct Answer: Balance CPU and I/O intensive jobs

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108. Raid level ____ requires two different parity calculations.

Answer

Correct Answer: 7

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109. A ____ can be used to prevent a user program from never returning control to the operating system.

Timer

Portal

Firewall

Program counter

Answer

Correct Answer: Timer

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110. The first-come, first-served (fcfs) algorithm is fine for most ____ systems.

Batch

User initiated

Interactive

Multiuser

Answer

Correct Answer: Batch

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111. One example of a popular communication app is ________.

Spotify

ISpeak

Google Talk

Skype

Answer

Correct Answer: Skype

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112. Thread-local storage is data that ____.

Is unique to each thread

Is different from each thread

Both A & B

None of these

Answer

Correct Answer: Is unique to each thread

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113. The ____ is also called a high-level scheduler.

Job Scheduler

Process Scheduler

Program Scheduler

Thread Scheduler

Answer

Correct Answer: Job Scheduler

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114. Mobile software is almost always ____

Downloaded from the Internet

Public domain

Purchased in physical form

Freeware or shareware

Answer

Correct Answer: Downloaded from the Internet

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115. The _________ domain connects remote users to the organization?s it infrastructure.

Ethernet

Encryption

Network

Remote Access

Answer

Correct Answer: Remote Access

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116. With the ____, the statements in the loop are repeated as long as a certain condition is false.

Low-level languages

Do until structure

False

Control structure

Answer

Correct Answer: Do until structure

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117. Video cards have their own _____.

Diagonally

Memory

Pointing

None of these

Answer

Correct Answer: Memory

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118. The windows ________ utility rearranges files on a hard drive in order to improve efficiency.

Check Disk

Optimizing Drives

Error Checking

None of these

Answer

Correct Answer: Optimizing Drives

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119. Under direct memory access, a device called a ____ is attached to the bus and to main memory.

Controller

DMA master

DMA controller

DRM controller

Answer

Correct Answer: DMA controller

Note: This Question is unanswered, help us to find answer for this one

120. A thin-client application is designed to run within a program such as ________.

Microsoft Excel

Internet Explorer

Microsoft Word

Adobe Photoshop

Answer

Correct Answer: Internet Explorer

Note: This Question is unanswered, help us to find answer for this one

121. A client-server application that requires nothing more than a browser is called ________.

Desktop application

Thick-client application

Thin-client application

Firmware

Answer

Correct Answer: Thin-client application

Note: This Question is unanswered, help us to find answer for this one

122. ________ is the process whereby multiple operating systems share the same hardware.

Application software

Vertical-market application

Virtualization

Thick client

Answer

Correct Answer: Virtualization

Note: This Question is unanswered, help us to find answer for this one

123. All of the following are examples of network operating systems except ________.

MS-DOS

Windows 8

OS X

Linux

Answer

Correct Answer: MS-DOS

Note: This Question is unanswered, help us to find answer for this one

124. ____ uses multiple sources of information and provides multidimensional analysis.

OLAP

SQL

QBE

OLTP

Answer

Correct Answer: OLAP

Note: This Question is unanswered, help us to find answer for this one

125. ____ technique is also known as disk mirroring.

Disk mirroring

Shadowing

Redundancy

Answer

Correct Answer: Disk mirroring

Note: This Question is unanswered, help us to find answer for this one

126. ____ storage is not lost when a computer loses power.

Temporary.

Intermediate.

Permanent.

Variable

Answer

Correct Answer: Permanent.

Note: This Question is unanswered, help us to find answer for this one

127. ____ storage allocation allows files to use any storage space available on the disk.

Contiguous storage

Noncontiguous storage

Fragmented storage

Answer

Correct Answer: Noncontiguous storage

Note: This Question is unanswered, help us to find answer for this one

128. Magnetic disks are a _____ access storage medium

Storage

Direct

Indirect

Permanently

Answer

Correct Answer: Direct

Note: This Question is unanswered, help us to find answer for this one

129. In linux, the command _________________________ displays currently logged-in users.

Whoami

USR

DVD

Who

Answer

Correct Answer: Who

Note: This Question is unanswered, help us to find answer for this one

130. In linux, runlevel ____ is also known as multiuser mode.

Answer

Correct Answer: 2

Note: This Question is unanswered, help us to find answer for this one

131. Access is a ____.

Word processing software

Workbook management system

Database management system

File management system

Answer

Correct Answer: Database management system

Note: This Question is unanswered, help us to find answer for this one

132. A(n)________ is an example of storage hardware in computers.

Overhead projector

Keyboard

Magnetic disk

Barcode scanner

Answer

Correct Answer: Magnetic disk

Note: This Question is unanswered, help us to find answer for this one

133. Embedded systems can be found in all of the following except _____.

Special-purpose

Device driver

Cloud computers

Graphical user

Answer

Correct Answer: Cloud computers

Note: This Question is unanswered, help us to find answer for this one

134. In ____ systems, deadlocks can cause critical situations.

Batch

Interactive

Real-time

General purpose

Answer

Correct Answer: Real-time

Note: This Question is unanswered, help us to find answer for this one

135. Ultraportables conforming to intel's standards can be marketed as ____.

IntelBooks

Ultrabooks

Hybrids

Smallframe computers

Answer

Correct Answer: Ultrabooks

Note: This Question is unanswered, help us to find answer for this one

136. Windows server is an example of a(n) _____ operating system.

Windows Update

Clean up

Network

Drivers

Answer

Correct Answer: Network

Note: This Question is unanswered, help us to find answer for this one

137. The overall responsibility of keeping an organization’s software up to date ____.

Data replication

Layered

105 ms

Depends upon the organization

Answer

Correct Answer: Depends upon the organization

Note: This Question is unanswered, help us to find answer for this one

138. Primitive types serve as the building blocks for more complex data types, called ____ types.

Reference

Private access

Debugging

Arguments

Answer

Correct Answer: Reference

Note: This Question is unanswered, help us to find answer for this one

139. Optimal page replacement ____.

Can suffer from Belady's anomaly

Is used mostly for comparison with other page-replacement schemes

Is the page-replacement algorithm most often implemented

Requires that the system keep track of previously used pages

Answer

Correct Answer: Is used mostly for comparison with other page-replacement schemes

Note: This Question is unanswered, help us to find answer for this one

140. Operating systems used with personal computers are typically referred to as ____ operating systems.

Desktop

CorelDRAW

Interface

Kernel

Answer

Correct Answer: Desktop

Note: This Question is unanswered, help us to find answer for this one

141. Operating systems provide file organization tools called ___________.

Software

Public domain

Mobile

File management utilities

Answer

Correct Answer: File management utilities

Note: This Question is unanswered, help us to find answer for this one

142. Operating systems installed on a single computer are called __________ operating systems.

Embedded

Multipurpose

Personal or desktop

Network

Answer

Correct Answer: Personal or desktop

Note: This Question is unanswered, help us to find answer for this one

143. Operating system software, also called a(n) _____, manages computer hardware and software.

Malware

Device drivers

Utility

Platform

Trojan horses

Answer

Correct Answer: Platform

Note: This Question is unanswered, help us to find answer for this one

144. One of the disadvantages of proprietary software is that ______________.

It can take a long time and significant resources to develop the required software features

The software provides a company a competitive advantage by solving problems in a unique manner

GPS

The initial cost is lower because the software firm can spread the development costs over many customers

Answer

Correct Answer: It can take a long time and significant resources to develop the required software features

Note: This Question is unanswered, help us to find answer for this one

145. One major disadvantage of encryption is that ____.

It increases the system's overhead

The slower processing time of legitimate work

Create a new directory or subdirectory

LAN with Internet

Answer

Correct Answer: It increases the system's overhead

Note: This Question is unanswered, help us to find answer for this one

146. Ms-dos first used a(n) ________ interface.

Graphical user

Command-driven

Directories

Time Machine

Answer

Correct Answer: Command-driven

Note: This Question is unanswered, help us to find answer for this one

147. Most smartphones use operating systems developed by ________.

Google and Apple

Apple and Microsoft

Microsoft and Google

Symbian and Apple

Answer

Correct Answer: Google and Apple

Note: This Question is unanswered, help us to find answer for this one

148. Most operating systems today primarily use a ____.

DOS

Burning

GUI

UNIX

Answer

Correct Answer: GUI

Note: This Question is unanswered, help us to find answer for this one

149. Most operating systems are now distributed on ____.

All of these

CD or DVD disks

Isopropyl alcohol

Desktop ATX case

Answer

Correct Answer: CD or DVD disks

Note: This Question is unanswered, help us to find answer for this one

150. Microsoft’s share of the total personal computer operating system market is about ____.

10% *

90% *

89% *

100%

Answer

Correct Answer: 90% *

Note: This Question is unanswered, help us to find answer for this one

151. Memory compaction is also referred to as ____.

Defragmentation

Collection

Reallocation

Dynamic allocation

Answer

Correct Answer: Defragmentation

Note: This Question is unanswered, help us to find answer for this one

152. Mac os and ios applications are constructed using ________ programming language.

Objective C

VB.Net

Java

Answer

Correct Answer: Objective C

Note: This Question is unanswered, help us to find answer for this one

153. Lock and key synchronization must take place within a single ____.

Instruction

Processor

Computer

Machine cycle

Answer

Correct Answer: Machine cycle

Note: This Question is unanswered, help us to find answer for this one

154. In linux, ____ devices cannot host a file system.

Write

Block

Read

Char

Answer

Correct Answer: Char

Note: This Question is unanswered, help us to find answer for this one

155. In game theory, strategies include _______.

Creates both moral hazard and adverse selection.

All possible actions of each player

Only lemons being available for sale.

Strategic behavior

Answer

Correct Answer: All possible actions of each player

Note: This Question is unanswered, help us to find answer for this one

156. In dos, the command ____ displays the files and folders in the current location.

DIR

Firewall

Android

DOS (Disk Operating System)

Answer

Correct Answer: DIR

Note: This Question is unanswered, help us to find answer for this one

157. In demand paging, pages are ____ between main memory and secondary storage.

Static

Thrashing

Swapped

Page set

Answer

Correct Answer: Swapped

Note: This Question is unanswered, help us to find answer for this one

158. In common usage, the term “pc” refers to computers that ____.

Use external keyboards

Are manufactured by Apple, Inc

Use Microsoft Windows

Answer

Correct Answer: Use external keyboards

Note: This Question is unanswered, help us to find answer for this one

159. In a network operating system (nos), ____.

Exchanging messages among site operating systems

With the smallest number of hops

Resources are owned by local nodes

Log on to the local network

Answer

Correct Answer: Resources are owned by local nodes

Note: This Question is unanswered, help us to find answer for this one

160. In a multitasking operating system, ______ programs are running but not in use.

Platform

Fire OS

Command Line

Background

Answer

Correct Answer: Background

Note: This Question is unanswered, help us to find answer for this one

161. In ________ process, a server hosts many versions of desktop operating systems.

PC virtualization

Server virtualization

Desktop virtualization

Answer

Correct Answer: Desktop virtualization

Note: This Question is unanswered, help us to find answer for this one

162. If you are using a touch screen _____ pointer appears on the screen.

Esc

Alt

Answer

Correct Answer: No

Note: This Question is unanswered, help us to find answer for this one

163. For multiprogramming systems, most unix operating systems use either ____ management techniques.

Indirect paging and hot swapping

Virtual memory and swapping

Simple memory and paging

Swapping or demand paging memory

Answer

Correct Answer: Swapping or demand paging memory

Note: This Question is unanswered, help us to find answer for this one

164. File management capabilities available from application software include ____ files.

File extension

Synchronization

All of the above

Multithreading

Answer

Correct Answer: All of the above

Note: This Question is unanswered, help us to find answer for this one

165. Failure to lock database records before updating them may result in a ____ between processes.

Struggle

Race

Timeout

Livelock

Answer

Correct Answer: Race

Note: This Question is unanswered, help us to find answer for this one

166. Electronic devices such as card readers use ___________ operating systems.

Multipurpose

Personal or desktop

Embedded

Network

Answer

Correct Answer: Embedded

Note: This Question is unanswered, help us to find answer for this one

167. Each memory page in virtual memory management is called a ____.

Hardware

Page frame

Page hit

Swap space

Answer

Correct Answer: Page frame

Note: This Question is unanswered, help us to find answer for this one

168. Desktop apps are also known as ____ apps

Traditional

Mobile

Web

Answer

Correct Answer: Traditional

Note: This Question is unanswered, help us to find answer for this one

169. Deployment software falls into two groups: ____ software.

Agent-based and agentless

MTBF / (MTBF + MTTR)

Cat chapt1 chapt2 > section_a

Least recently used

Answer

Correct Answer: Agent-based and agentless

Note: This Question is unanswered, help us to find answer for this one

170. Computers represent data using binary digits, called ________.

Dots

Pixels

171. Cloud computing provides _____, which matches resources to needs at any given time.

Wiki

Thin

Physical

Scaling

Answer

Correct Answer: Scaling

Note: This Question is unanswered, help us to find answer for this one

172. Cloud computing is not possible without _____.

Virtual machine (VM)

Special-purpose

An Internet connection

Web server

Answer

Correct Answer: An Internet connection

Note: This Question is unanswered, help us to find answer for this one

173. Clicking and double-clicking are two of the five _____.

Moving

Windows search

Pointing device actions

USB flash drive

Answer

Correct Answer: Pointing device actions

Note: This Question is unanswered, help us to find answer for this one

174. Chapter 4 describes the utilities included in an operating system package as _ but not _.

Useful; essential

Cold boot

Bus

Command-line

Answer

Correct Answer: Useful; essential

Note: This Question is unanswered, help us to find answer for this one

175. By default, windows creates a ___________ every time new software is installed.

Autorun.inf

Local snapshots

Disk Cleanup

Restore point

Answer

Correct Answer: Restore point

Note: This Question is unanswered, help us to find answer for this one

176. A ____ dynamic volume can only be created with three or more dynamic disks.

RAID 0

Simple

RAID 5

RAID 1

Answer

Correct Answer: RAID 5

Note: This Question is unanswered, help us to find answer for this one

177. Automated driver updates on a mac are accomplished by the _____ feature.

All of the above

Motherboard.

Software Update

Locate files; Mac

Answer

Correct Answer: Software Update

Note: This Question is unanswered, help us to find answer for this one

178. As with other popular mobile operating systems, android is designed for _______ processors.

DBMS

ARM

True

Bottom

Answer

Correct Answer: ARM

Note: This Question is unanswered, help us to find answer for this one

179. An optional file identifier that is separated from a main file name by a period is a ____.

File conversion

File extension

File path

File folder

Answer

Correct Answer: File extension

Note: This Question is unanswered, help us to find answer for this one

180. An industrial operating system works with a large computer system requiring a(n) ____.

Receivers

Shrunk

Defragmentation

Server

Answer

Correct Answer: Server

Note: This Question is unanswered, help us to find answer for this one

181. A process control block ____.

Includes information on the process's state

Stores the address of the next instruction to be processed by a different process

Determines which process is to be executed next

Is an example of a process queue

Answer

Correct Answer: Includes information on the process's state

Note: This Question is unanswered, help us to find answer for this one

182. A file’s ____ filename includes all path information for that file.

Absolute

Short-form

Relative

183. A file that stays in memory after it executes is a(n) _____________.

Terminate and Stay Resident program

Executable

Text file

Answer

Correct Answer: Terminate and Stay Resident program

Note: This Question is unanswered, help us to find answer for this one

184. A file containing data or programs belonging to users is known as a(n) ____.

Symbolic link

Special file

Ordinary file

Named pipe.

Answer

Correct Answer: Ordinary file

Note: This Question is unanswered, help us to find answer for this one

185. A disadvantage of segmented memory allocation is ____.

Earliest Deadline First

External fragmentation

RUNNING to FINISHED

Variable time quantum per queue

Answer

Correct Answer: External fragmentation

Note: This Question is unanswered, help us to find answer for this one

186. A computer with a domain name is called a ________.

Website

Network

Webpage

Answer

Correct Answer: Website

Note: This Question is unanswered, help us to find answer for this one

187. A computer cannot function without a(n) _____.

User interface

Operating system

Operating system and utility programs

All of these

Answer

Correct Answer: Operating system

Note: This Question is unanswered, help us to find answer for this one

188. A clustered system ____.

It creates an environment within which other programs can do useful work.

Gathers together multiple CPUs to accomplish computational work

The difference in storage capacity between a mobile device and laptop is shrinking.

Clients and servers are not distinguished from one another

Answer

Correct Answer: Gathers together multiple CPUs to accomplish computational work

Note: This Question is unanswered, help us to find answer for this one

189. A _________ is a program that is written to use a particular operating system.

Web application

Client

Web browser

Native application

Answer

Correct Answer: Native application

Note: This Question is unanswered, help us to find answer for this one

190. A ______ controls how computer hardware communicates with the operating system.

Command line interface

Device driver

GUI

Power switch

Answer

Correct Answer: Device driver

Note: This Question is unanswered, help us to find answer for this one

191. A _____ is an example of a systems program.

Command interpreter

Web browser

Text formatter

Database system

Answer

Correct Answer: Command interpreter

Note: This Question is unanswered, help us to find answer for this one

192. A ____ of processing must be handled as a single unit.

Master/slave

Critical region

Loosely coupled

Machine cycle

Answer

Correct Answer: Critical region

Note: This Question is unanswered, help us to find answer for this one

193. __________ was the first operating system to integrate security as its core functions.

UNIX

DOS

MULTICS

ARPANET

MULTICS

Answer

Correct Answer: MULTICS

Note: This Question is unanswered, help us to find answer for this one

194. ________ is necessary to protect the host against attacks.

Host hardening

Host bulwarking

Host shielding

None of the above

Answer

Correct Answer: Host hardening

Note: This Question is unanswered, help us to find answer for this one

195. ______ allows a thread to run on only one processor.

NUMA

Load balancing

Processor affinity

Processor set

Answer

Correct Answer: Processor affinity

Note: This Question is unanswered, help us to find answer for this one

196. _____ is free storage space provided on microsoft’s server.

Docs

ICloud

SkyDrive

Pitfall

Answer

Correct Answer: SkyDrive

Note: This Question is unanswered, help us to find answer for this one

197. ____ set the original standard for graphical user interfaces.

Android

Virtual memory

SaaS

Mac OS

Answer

Correct Answer: Mac OS

Note: This Question is unanswered, help us to find answer for this one

198. ____ peripheral devices are assigned to only one job at a time.

Dedicated

Shared

Virtual

Static

Answer

Correct Answer: Dedicated

Note: This Question is unanswered, help us to find answer for this one

199. ____ memory allows you to use more memory than is physically available on your computer.

Firewall

Search Tools

Multitasking

Virtual

Answer

Correct Answer: Virtual

Note: This Question is unanswered, help us to find answer for this one

200. ____ is where the data and instructions of a computer must reside to be processed.

CPU

Main memory

Read-only memory

I/O memory

Answer

Correct Answer: Main memory

Note: This Question is unanswered, help us to find answer for this one

201. ____ is the policy of allowing only one process to have access to a dedicated resource.

Mutex

Mutual exclusion

Bytecodes

Loosely coupled

Answer

Correct Answer: Mutual exclusion

Note: This Question is unanswered, help us to find answer for this one

202. ____ is one of the most widely-used versions of linux.

Uhuru

Chrome

Cisco

Ubuntu

Answer

Correct Answer: Ubuntu

Note: This Question is unanswered, help us to find answer for this one

203. ____ is an open-platform mobile operating system.

Android

IPhone OS

BlackBerry OS

Palm

Answer

Correct Answer: Android

Note: This Question is unanswered, help us to find answer for this one

204. ____ is a term for software that is run directly from the internet.

DOS (disk operating system)

Increased stability

SaaS (software as a service)

Shareware

Answer

Correct Answer: SaaS (software as a service)

Note: This Question is unanswered, help us to find answer for this one

205. ____ has gained popularity as an open-source operating system.

Python

Windows 8

Mac OS X

Linux

Answer

Correct Answer: Linux

Note: This Question is unanswered, help us to find answer for this one

206. ____ describes how instances of one entity relate to instances of another entity.

Scalability

Compatibility

Cardinality

Functionality

Answer

Correct Answer: Scalability

Note: This Question is unanswered, help us to find answer for this one

207. ____ disks are commonly used with sun solaris systems.

Filtering

SPARC

AXIOM

False

Answer

Correct Answer: SPARC

Note: This Question is unanswered, help us to find answer for this one

208. ____ development is the systematic process of transforming an idea into functional software.

SDK

Execution

Model

Software

Answer

Correct Answer: Software

Note: This Question is unanswered, help us to find answer for this one

209. ____ can protect against someone accessing your pc via the internet.

Uninstall

Virtual

Firewall

Firewalls

Answer

Correct Answer: Firewalls

Note: This Question is unanswered, help us to find answer for this one

210. ____ are software applications that run automated tasks over the internet.

Bots

BES

Brick

GPRS

Answer

Correct Answer: Bots

Note: This Question is unanswered, help us to find answer for this one

211. ____ a data item means you override incorrect data by setting the variable to a specific value.

Forcing

Incrementing

Initializing

Terminating

Answer

Correct Answer: Forcing

Note: This Question is unanswered, help us to find answer for this one

212. The ______________ imaging tool produces three proprietary formats:

Idif

Irbf

Ieif

Ilookix

Answer

Correct Answer: Ilookix

Note: This Question is unanswered, help us to find answer for this one

213. Questionnaires can be used to ask questions that _______.

To probe to get sufficient details

Determine user opinions

Interview stakeholders

Technical stakeholders

Answer

Correct Answer: Determine user opinions

Note: This Question is unanswered, help us to find answer for this one

214. Google play is an example of a(n) ______.

Firmware

Graphical

App Store

None of these

Answer

Correct Answer: App Store

Note: This Question is unanswered, help us to find answer for this one

215. Another term for a zombie is a(n) ____.

Plain text

Hotspot

Piconet

Port

Bot

Answer

Correct Answer: Bot

Note: This Question is unanswered, help us to find answer for this one

Computer Science MCQs | Topic-wise

MCQ on Computer Concepts	MCQ on Computer Essentials
MCQ on Computer Graphics	MCQ on Computer Literacy
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Operating Systems MCQ

1. An address generated by a cpu is referred to as a ____.

2. A software utility designed to clean up after a failed software installation is ____.

3. The primary advantage of storing programs in noncontiguous locations is that ____.

4. Total productive maintenance (tpm) seeks to do all of the following except ____.

5. With ____ connections, polling is not necessary because there is only one terminal per line.

6. The program segment that catches a possible by zero is known as a(n) ______.

7. The smallest amount of memory the vm can use at any time is called _______.

8. The linux page replacement algorithm is an expanded version of the ____ replacement policy.

9. One approach to performing compaction is to do it when a certain ____ of memory becomes busy.

10. No movement between queues is a very simple policy that rewards those who have ____ jobs.

11. A utility tool that can change the software that is launched automatically during start-up is ____.

12. Mac os x includes a backup utility called ________.

13. A(n) _______ refers to where a process is accessing/updating shared data.

14. In unix/linux, text files and binary files are considered to be ____ files.

15. Cortana stores personalized information about you in a local database called the __________.

16. The three standard classes of devices supported by linux are ____.

17. ________ refers to the leasing of hardware with pre-installed operating systems.

18. Bing, google, and yahoo! are all examples of web ____________________.

19. Remote access to a user's pc can be implemented with a ____.

20. The ________ operating system(s) treat uppercase and lowercase letters differently.

21. ____ is processing that involves performing the same tasks with many records, one after the other.

22. A(n) ______ key is a special key programmed to issue commands to a computer.

23. Virtual sans allow you to _______.

24. All of the following word groups show parallelism except __________.

25. All of the following are categories of a computer security threat except ____.

26. The internal part of an operating system is called the ______.

27. The first personal computer operating system was named ___________.

28. The cpu stores the results of computations in ________.

29. The ________ software makes the computer run.

30. Placing data in a buffer so it can be retrieved later is called _______.

31. Deadlock can occur on a printer when ____.

32. Software for pcs contains a _________ program that guides you through the installation process.

33. Of the following, the ____ operating system was developed the earliest.

34. Microsoft _____ is the new microsoft web browser that lets you display and interact with webpages.

35. If a user turns on a computer that is currently turned off, it is referred to as a __________.

36. A(n) ____ is a flat, touch-sensitive device used in conjunction with a digital pen.

37. ____ are utility programs that search for documents and other files on a users hard drives.

38. Running the disk cleanup utility is a quick way to ________.

39. Ronald runs both windows 7 and linux on his desktop computer. this process is called ________.

40. One advantage of proprietary software versus off-the-shelf software is that _____.

41. If a pc fails its initial nac health assessment, it may be ________.

42. Disk cleanup, file history, and disk defragmenter are all examples of _____ programs.

43. Disk ________ realigns separated data so that related file pieces are unified.

44. C: denotes a ________ directory that is at the top of the filing structure of a computer.

45. Use the windows ________ to check on a nonresponsive program.

46. The vast majority of smartphones use the ________ or ________ operating systems.

47. Freebsd is a(n) _____-based operating system.

48. The small circuit boards that hold a series of ram chips are called ________.

49. The means by which you interact with any program on a computer is called the user ____.

50. The main directory on a storage device is referred to as the ________ directory.

51. The ____ shows the name and location of the item you have open.

52. Smartphone operating systems are a type of _____ operating system.

53. The ________ statement can cause other program statements to execute only under certain conditions.

54. To develop software you need all these except ________.

55. The root of a file system is denoted by the ____.

56. The process that launched a given process is known as the ________ process.

57. All of the following are examples of someone using personal productivity software except _________.

58. All of the following are examples of activities performed by an operating system except ________.

59. A ___________ is any known starting point.

60. A _________ is a mobile device that typically ranges from seven to ten inches in size.

61. A(n) _______________ is a fix for a single problem within an operating system.

62. ____ manage the system resources of a computer so programs can run properly.

63. Buttons act as ____, which instruct windows to perform tasks.

64. Compressed files sometimes are called ______ files.

65. Clicking a _____ name opens a drop-down list of commands and options.

66. An icon on your desktop is a component of a ____ interface.

67. A(n) ______ expands the capability of a portable computer.

68. A(n) ____ view of data is the way a user thinks about data.

69. A(n) ____ operating system is required to perform a command within a certain time frame.

70. A(n) ____ is system software

71. A(n) ____ is a set of instructions or statements to the computer.

72. A(n) ____ file consists of several time entries, each marked with a time stamp.

73. A printer requires a ____ installed on the computer in order to operate.

74. A disadvantage of software monitoring tools is that they ____.

75. A ______ is a program that runs in the background.

76. A _____ is a link between devices connected to a computer.

77. A ____ chip holds software that is used to start the computer.

78. _____ provide(s) an interface to the services provided by an operating system.

79. A(n) ____ is a computer program that coordinates all the activities of computer hardware.

46. The vast majority of smartphones use the or operating systems.

84. Software can be divided into two major categories: and .

91. In linux, the three levels of file access are , , and .