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Welcome to the Computer Architecture MCQs Page

Dive deep into the fascinating world of Computer Architecture with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Computer Architecture, a crucial aspect of UGC CBSE NET Exam. In this section, you will encounter a diverse range of MCQs that cover various aspects of Computer Architecture, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within UGC CBSE NET Exam.

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Check out the MCQs below to embark on an enriching journey through Computer Architecture. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of UGC CBSE NET Exam.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Computer Architecture. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Computer Architecture MCQs | Page 4 of 16

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Q31.
The number of flip-flops required to design a modulo - 272 counter is :

a.

8

b.

9

c.

27

d.

11

Discuss
Answer: (b).9
Q32.
Consider a uniprocessor system where new processes arrive at an average of five processes per minute and each process needs an average of 6 seconds of service time. What will be the CPU utilization ?

a.

80 %

b.

50 %

c.

60 %

d.

30 %

Discuss
Answer: (b).50 %
Q33.
The advantage of _______ is that it can reference memory without paying the price of having a full memory address in the instruction.

a.

Direct addressing

b.

Indexed addressing

c.

Register addressing

d.

Register Indirect addressing

Discuss
Answer: (d).Register Indirect addressing
Q34.
The output of a sequential circuit depends on

a.

present input only

b.

past input only

c.

both present and past input

d.

past output only

Discuss
Answer: (c).both present and past input
Q35.
Which of the following flip-flops is free from race condition ?

a.

T flip-flop

b.

SR flip-flop

c.

Master-slave JK flip-flop

d.

None of the above

Discuss
Answer: (c).Master-slave JK flip-flop
Q36.
Pipelining improves performance by:

a.

decreasing instruction latency

b.

eliminating data hazards

c.

exploiting instruction level parallelism

d.

decreasing the cache miss rate

Discuss
Answer: (c).exploiting instruction level parallelism
Q37.
A multiplexer is a logic circuit that

a.

accepts one input and gives several output

b.

accepts many inputs and gives many output

c.

accepts many inputs and gives one output

d.

accepts one input and gives one output

Discuss
Answer: (c).accepts many inputs and gives one output
Q38.
8-bit 1’s complement form of –77.25 is

a.

01001101.0100

b.

01001101.0010

c.

10110010.1011

d.

10110010.1101

Discuss
Answer: (c).10110010.1011
Q39.
ECL is the fastest of all logic families. High Speed in ECL is possible because transistors are used in difference amplifier configuration, in which they are never driven into ...............

a.

Race condition

b.

Saturation

c.

Delay

d.

High impedance

Discuss
Answer: (b).Saturation
Q40.
A binary 3-bit down counter uses J-K flip-flops, FFi with inputs Ji, Ki and outputs Qi, i=0,1,2 respectively. The minimized expression for the input from following, is

I. J0=K0=0
II. J0=K0=1
III. J1=K1=Q0
IV. J1=K1=Q'0
V. J2=K2=Q1Q0
Vl. J2=K2=Q'1Q'0

a.

I, Ill, V

b.

I, IV, VI

c.

Il, III, V

d.

Il, IV, Vl

Discuss
Answer: (d).Il, IV, Vl
Page 4 of 16

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