Computer Architecture & Engineering MCQs (Chapterwise Multiple Choice Questions)

Which ofthe following options can be used for the fetch segment of an instruction pipeline?

MRU (Most Recently Used)

LRU (Least Recently Used)

LIFO (Last In First Out) buffer

FIFO (First In First Out) buffer

Answer & Explanation

Correct Answer: FIFO (First In First Out) buffer

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The speed of a CPU is measured in .

revolutions per minute

hertz

kbps

mbps

Answer & Explanation

Correct Answer: hertz

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What will be the sum of the following floating-point number? 0.6374980 x102 and 0.1580000 x 10 -1

0.7963400 x 102

0.6376560 x 10-1

0.6376560 x 102

0.7963400 x10-1

Answer & Explanation

Correct Answer: 0.6376560 x 102

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Which of the following flip-flops can be used in Master-Slave mode?

S-R Flip-f‌lop

T Flip-flop

J-K Flip-flop

D Flip-f‌lop

Answer & Explanation

Correct Answer: J-K Flip-flop

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Compute the 2's complement of 001 using 6 bit word.

110

111

111110

111111

Answer & Explanation

Correct Answer: 111111

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A/An instruction is recognized by the operation code 111 with a 1 in the first bit of instruction.

Memory « reference

Input - output

Register — reference

Answer & Explanation

Correct Answer: Input - output

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Which of the following Interrupts will occur in case of stack overflow?

External Interrupts

Internal Interrupts

Software Interrupts

Answer & Explanation

Correct Answer: Internal Interrupts

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In a computer, is a non-volatile memory

Static RAM

Dynamic RAM

EEPROM

Cache

Answer & Explanation

Correct Answer: EEPROM

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How many clock cycles are required to process 100 tasks in a six-segment pipeline?

600 clock cycles

106 clock cycles

105 clock cycles

601 clock cycles

Answer & Explanation

Correct Answer: 105 clock cycles

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In which of the following methods, only the cache location is updated during a write operation?

Write-back

Write-through

Both a and b

Answer & Explanation

Correct Answer: Write-back

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