COMPUTER SYSTEM ARCHITECTURE MCQS PART 08

COMPUTER SYSTEM ARCHITECTURE MCQS PART 08

1. The instructions which copy information from one location to another either in the processor’s internal register set or in the external main memory are called
(A) Data transfer instructions
(B) Program control instructions
(C) Input-output instructions
(D) Logical instructions
Ans: A

2. A device/circuit that goes through a predefined sequence of states upon the application of input pulses is called
(A) register
(B) flip-flop
(C) transistor
(D) counter
Ans: D

3. The performance of cache memory is frequently measured in terms of a quantity called
(A) Miss ratio
(B) Hit ratio
(C) Latency ratio
(D) Read ratio
Ans: C

4. The information available in a state table may be represented graphically in a
(A) simple diagram
(B) state diagram
(C) complex diagram
(D) data flow diagram
Ans: B

5. Content of the program counter is added to the address part of the instruction in order to obtain the effective address is called.
(A) relative address mode
(B) index addressing mode
(C) register mode
(D) implied mode
Ans: A

6. An interface that provides I/O transfer of data directly to and form the memory unit and peripheral is termed as
(A) DDA
(B) Serial interface
(C) BR
(D) DMA
Ans: D

7. The 2s compliment form (Use 6 bit word) of the number 1010 is
(A) 111100
(B) 110110
(C) 110111
(D) 1011
Ans: B

8. A register capable of shifting its binary information either to the right or the left is called a
(A) parallel register
(B) serial register
(C) shift register
(D) storage register
Ans: C
9. What is the content of Stack Pointer (SP)?
(A) Address of the current instruction
(B) Address of the next instruction
(C) Address of the top element of the stack
(D) Size of the stack
Ans: C

10. Which of the following interrupt is non maskable
(A) INTR
(B) RST 7.5
(C) RST 6.5
(D) TRAP
Ans: D