Computer Science

Computer Architecture and Organization MCQ -2


Question 1:

Processors of all computers, whether micro, mini or mainframe must have

a. ALU

b. Primary Storage

c. Control unit

d. All of above


Question 2:

What is the control unit's function in the CPU?

a. To transfer data to primary storage

b. to store program instruction

c. to perform logic operations

d. to decode program instruction


Question 3:

What is meant by a dedicated computer?

a. which is used by one person only

b. which is assigned to one and only one task

c. which does one kind of software

d. which is meant for application software only


Question 4:

The most common addressing techiniques employed by a CPU is

a. immediate

b. direct

c. indirect

d. register

e. all of the above


Question 5:

Pipeline implement

a. fetch instruction

b. decode instruction

c. fetch operand

d. calculate operand

e. execute instruction

f. all of abve


Question 6:

Which of the following code is used in present day computing was developed by IBM corporation?


b. Hollerith Code

c. Baudot code

d. EBCDIC code


Question 7:

When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the

a. stack pointer

b. accumulator

c. program counter

d. stack


Question 8:

A microprogram written as string of 0's and 1's is a

a. symbolic microinstruction

b. binary microinstruction

c. symbolic microprogram

d. binary microprogram


Question 9:

Interrupts which are initiated by  an instruction are

a. internal

b. external

c. hardware

d. software


Question 10:

Memory access in RISC architecture is limited to instructions

a. CALL and RET

b. PUSH and POP

c. STA and LDA

d. MOV and JMP



1. d      2. d     3. b     4. e      5. f      6. d     7. d     8. d     9. b    10. c

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