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Language Processors MCQ

Multiprogramming was made possible by

Neither input/output units that operate independently of the CPU nor operating systems

Input/output units that operate independently of the CPU

Both input/output units that operate independently of the CPU and operating systems

Operating systems

Answer

Correct Answer: Both input/output units that operate independently of the CPU and operating systems

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If special forms are needed for printing the output, the programmer specifies these forms through

IPL

Load modules

JCL

Utility programs

Answer

Correct Answer: JCL

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A relocate program form is the one which

All of these

Can itself perform the relocation of its address-sensitive portions

Consists of a program and relevant information for its relocation

Cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation

Answer

Correct Answer: All of these

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Systems software is a program that directs the overall operation of the computer, facilitates its use and interacts with the users. What are the different types of this software?

Operating system

Languages

All of these

Utilities

Answer

Correct Answer: All of these

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A permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure

Consists of a full or partial list of the tokens as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation

A permanent table which lists all key words and special symbols of the language in symbolic form

Contains all constants in the program

Answer

Correct Answer: A permanent table which lists all key words and special symbols of the language in symbolic form

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A system program that combines the separately compiled modules of a program into a form suitable for execution

Linking loader

Load and go

Cross compiler

Assembler

Answer

Correct Answer: Linking loader

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The advantage(s) inherent to using high level languages is/are:

Fewer people, less management and shorter transition in learning time

A greater degree of machine independence

Improved debugging capability, and superior documentation

All of these

Answer

Correct Answer: All of these

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In analyzing the compilation of PL/I program, the term "Syntax analysis" is associated with

Creation of more optional matrix

Use of macro processor to produce more optimal assembly code

Recognition of basic elements and creation of uniform symbols

Recognition of basic syntactic constructs through reductions

Answer

Correct Answer: Recognition of basic syntactic constructs through reductions

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In which way(s) can a macro processor for assembly language be implemented?

Independent one-pass processor

Independent two-pass processor

Processor incorporated into pass of a standard two-pass assembler

All of these

Answer

Correct Answer: All of these

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A non-relocatable program is one which

All of these

Cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation

Can itself perform the relocation of its address-sensitive portions

Consists of a program and relevant information for its relocation

Answer

Correct Answer: Cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation

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Assembly code data base is associated with

Consists of a full or partial list or the tokens as they appear in the program. Created

A permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure

A permanent table which lists all key words and special symbols of the language in symbolic form

Assembly language version of the program which is created by the code generation phase and is input to the assembly phase

By Lexical analysis and used for syntax analysis and interpretation

Answer

Correct Answer: By Lexical analysis and used for syntax analysis and interpretation

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The action of parsing the source program into the proper syntactic classes is known as

Syntax analysis

General syntax analysis

Interpretation analysis

Lexical analysis

Answer

Correct Answer: Lexical analysis

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The macro processor must perform

Save the macro definitions

Expand macro calls and substitute arguments

All of these

Recognize macro definitions and macro calls

Answer

Correct Answer: All of these

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Assembler is

A program that accepts a program written in a high level language and produces an object program

A program that places programs into memory and prepares them for execution

Is a program that appears to execute a source program as if it were machine language

A program that automate the translation of assembly language into machine language

Answer

Correct Answer: A program that automate the translation of assembly language into machine language

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Advantage(s) of using assembly language rather than machine language is/are:

Addresses any symbolic, not absolute

All of these

Introduction of data to program is easier

It is mnemonic and easy to read

Answer

Correct Answer: All of these

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The system/370 assembler language

Is used to remember which of the general-purpose registers are currently

Allows multiple programs to reside in separate areas of core at the same time

Allows the programmer to write base registers and displacements explicitly in the source program

Is a term that refers to the control programs of an operating system

Available as base registers, and what base addresses they contain

Answer

Correct Answer: Allows multiple programs to reside in separate areas of core at the same time

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Job Control Language (JCL) statements are Used to

All of these

Specify, to the operating system, the beginning and end of a job in a batch

Allocate the CPU to a job

Read the input from the slow-speed card reader to the high-speed magnetic disk

Answer

Correct Answer: Specify, to the operating system, the beginning and end of a job in a batch

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Which table is a permanent databases that has an entry for each terminal symbol?

Reductions

Literal table

Terminal table

Identifier table

Answer

Correct Answer: Terminal table

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The function(s) of the Storage Assignment is/are:

To assign storage to all variables referenced in the source program

All of these

To assign storage to literals, and to ensure that the storage is allocated and appropriate locations are initialized

To assign storage to all temporary locations that are necessary for intermediate results

Answer

Correct Answer: All of these

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An Interpreter is

A program that automate the translation of assembly language into machine language

Program that accepts a program written in a high level language and produces an object program

Is a program that appears to execute a source program as if it were machine language

A program that places programs into memory and prepares them for execution

Answer

Correct Answer: Is a program that appears to execute a source program as if it were machine language

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