Computer Architecture MCQ Questions and Answers – Part 1

Computer architecture MCQ questions and answers for the preparation of tests, exams, and certifications. So you will find questions about different types of registers in the computer, random access memory (RAM), main memory, memory instructions, arithmetic, and logic unit, and much more. This systematic learning method will easily prepare anyone to pass their exam.
 

1. The memory that allows simultaneous reading and writing is _________?

A ROM

B RAM

C EPROM

D EEPROM

Answer  
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2. Which of the following expressions does NOT represent the exclusive NOR of x and y?

A xy + x’ y’

B x ^ y’ where ^ is XOR

C x’ ^ y where ^ is XOR

D x’ ^ y’ where ^ is XOR

Answer  

3. Which of the following is not considered a computer hardware device?

A Disk

B Keyboard

C Monitor

D CPU

Answer  

4. The size of the accumulator register can be ____?

A 4 bits

B 4 Kb

C 4 bytes

D 4 Mb

Answer  
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5. The fastest computer component is ______?

A RAM

B cache

C register

D Disk

Answer  

6. The ______ format is generally used to store data.

A BCD

B Decimal

C Hexadecimal

D Octal

Answer  

7. A source program is usually written in _______.

A Assembly language

B Machine-level language

C High-level language

D Natural language

Answer  

8. The ALU uses _______ to store intermediate results.

A The accumulators

B The registers

C The heap

D The stack
 
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Answer

 

9. A computer “BUS” consists of ______?

A registers

B accumulators

C group of parallel lines

D computer clock

Answer  

10. The simplified sum of products of the following Boolean expression
(P + Q ‘+ R’). (P + Q ‘+ R). (P + Q + R ‘) is ______?

A (P’.Q + R’)

B (P + Q’.R’)

C (P’.Q + R)

D (P.Q + R)

Answer  
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