COMPUTER SYSTEM ARCHITECTURE MCQS PART 56

COMPUTER SYSTEM ARCHITECTURE MCQS PART 56

1. How many paths taken by movement of data in CU:
a. 3               
b. 4              
c. 5              

d. 2
ANSWER D

2. 2 data paths in CU are:
a. Internal data paths  
b. External data paths  
c. Both a & b 
d. None of these
ANSWER C

3. _______is the data paths link CPU registers with memory or I/O modules:
a. External data paths            
b. Internal data paths
c. Boreal data paths            
d. Exchange data paths
ANSWER A

4. ______is data paths there is movement of data from one register to another or b/w ALU and a register:
a. External       
b. Boreal        
c. Internal          
d. Exchange
ANSWER C

5. Which is the input of control unit:
a. Master clock signal    
b. Instruction register            
c. Flags
d. Control signals from bus      
e. All of these
ANSWER E

6. If _______flag is set then control unit issues control signals that causes program counter to be incremented by 1:
a. Zero           
b. One        
c. Three            
d. Eight
ANSWER A

7. Which control unit is implemented as combinational circuit in the hardware:
a. Microprogrammed control unit     
b. Hardwired control unit
c. Blockprogrammed control unit   
d. Macroprogrammed control unit
ANSWER B

8. Microprograms are usually stored in:
a. ROM         
b. RAM        
c. SAM         
d. SAN
ANSWER A

9. Among them which is the faster control unit:
a. Hardwired         
b. Microprogrammed       
c. Both a & b
d. None of these
ANSWER A

10. For CISC architecture_______controllers are better:
a. Microprogrammed     
b. Hardwired
c. Betterwired
d. None of these
ANSWER A