COMPUTER SYSTEM ARCHITECTURE MCQS PART 03

COMPUTER SYSTEM ARCHITECTURE MCQS PART 03

1. The circuit used to store one bit of data is known as
(A) Encoder        
(B) OR gate       
(C) Flip Flop       
(D) Decoder
Ans: C
2. Cache memory acts between
(A) CPU and RAM           
(B) RAM and ROM
(C) CPU and Hard Disk            
(D) None of these
Ans: A

3. Write Through technique is used in which memory for updating the data
(A) Virtual memory           
(B) Main memory
(C) Auxiliary memory               
(D) Cache memory
Ans: D

4. Generally Dynamic RAM is used as main memory in a computer system as it
(A) Consumes less power    
(B) has higher speed
(C) has lower cell density
(D) needs refreshing circuitary
Ans: B
5. In signed-magnitude binary division, if the dividend is (11100) 2 and divisor is(10011) 2 then the result is
(A) (00100) 2    
(B) (10100) 2         
(C) (11001) 2       
(D) (01100) 2
Ans: B
6. Virtual memory consists of
(A) Static RAM
(B) Dynamic RAM
(C) Magnetic memory
(D) None of these
Ans: A

7. In a program using subroutine call instruction, it is necessary
(A) initialise program counter
(B) Clear the accumulator
(C) Reset the microprocessor
(D) Clear the instruction register
Ans: D

8. A Stack-organised Computer uses instruction of
(A) Indirect addressing             
(B) Two-addressing
(C) Zero addressing          
(D) Index addressing
Ans: C

9. If the main memory is of 8K bytes and the cache memory is of 2K words. It uses associative mapping. Then each word of cache memory shall be
(A) 11 bits       
(B) 21 bits           
(C) 16 bits         
(D) 20 bits
Ans: C

10 A-Flip Flop can be converted into T-Flip Flop by using additional logic circuit
(A) n TQD =•
(B) T D =
(C) D = T . Q n
(D) n TQD =⊕
Ans: D