Computer Architecture MCQ Questions and Answers – Part 2

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. On the computer, the size of each stack control register DI, SI, SP and BP is _________?

A 2 bytes

B 6 bytes

C 4 bytes

D 8 bytes

Answer  
[st_adsense]  

2. RAM means_________?

A Readily Available Memory

B Read And more Memory

C Random Access Memory

D Remember All Memory

Answer  

3. The computer’s memory cells are organized into a group of_________?

A 8 bits

B 5 bits

C 12 bits

D 4 bits

Answer  

4. If P, Q, R are Boolean variables, then the simplified form of
(P + Q ‘) (PQ’ + PR) (P’R ‘+ Q’) is _____?

A PQ’

B PR’

C PQ’ + R

D PR” + Q

Answer  
[st_adsense]  

5. The step where the computer performs the action given in the instruction is called ______?

A fetch

B calculate

C decode

D execute

Answer  

6. The operation made by ALU (Arithmetic and Logic Unit) is ______?

A square root

B exponential

C data manipulation

D All the answers are true

Answer  

7. What is the minimum number of gates required to implement the Boolean function (AB + C) if we have to use only NOR gates with 2 inputs?

A 2

B 3

C 4

D 5

Answer  

8. The processor consists of the following parts ______?

A CU (control unit) and RAM

B CU (Control Unit) and ALU (Arithmetic and Logic Unit)

C RAM and storage

D Operating system and application

Answer  
[st_adsense]  

9. The CPU component responsible for comparing the contents of two data is ______?

A ALU (Arithmetic and Logic Unit)

B CU (control unit)

C Memory

D Register

Answer  

10. Which of the following is not a register?

A Flag

B Segment

C Accumulator

D Mathematical coprocessor

Answer  
[st_adsense]