COMPUTER SYSTEM ARCHITECTURE MCQS PART 55

COMPUTER SYSTEM ARCHITECTURE MCQS PART 55

1. Branch logic determines which should be adopted to select the next______ value among possibilities:
a. CAR         
b. GAR        
c. HAR     
d. TAR
ANSWER A

2. ________ generates CAR+1 as possibility of next CAR value:
a. Decrementer      
b. Incrementer
c. Postfix        
d. Prefix
ANSWER B

3. ________used to hold return address for operations of subroutine call branch:
a. TBR          
b. HDR            
c. SDR              
d. SBR
ANSWER D

4. Which of following 2 types of computer system considered by micro programmed unit:
a. Micro level computers       
b. Machine level computers 
c. Both a & b                    
d. None of these
ANSWER C

5. Following are the components of micro programmed control unit:
a. Subroutine register        
b. Control address register
c. Memory Of 128 words with 20 bits per words          
d. All of these
ANSWER D

6. Various machine level components are:
a. Address register             
b. Program counter
c. Data register              
d. Accumulator register
e. Memory of 2K,16 bits/word RAM  
f. Multiplexers         
g. All of these
ANSWER G

7. Data transfers are done using:
a. Multiplexer switching       
b. Demultiplexer switching
c. Adder switching              
d. Subtractor switching
ANSWER A

8. PC can be loaded from_____:
a. BR             
b. CR              
c. AR             
d. TR
ANSWER C

9. Which functions are performed by CU:
a. Data exchange b/w CPU and memory or I/O modules
b. External operations         
c. Internal operations inside CPU
d. Both a & c
ANSWER D

10. Which are internal operations inside CPU:
a. Data transfer b/w registers     
b. Instructing ALU to operate data
c. Regulation of other internal operations         
d. All of these
ANSWER D