COMPUTER SYSTEM ARCHITECTURE MCQS PART 87

COMPUTER SYSTEM ARCHITECTURE MCQS PART 87

1. ________interrupt establishes a priority over the various sources to determine which request should be entertained first:
a. Priority interrupt  
b. Polling 
c. Daisy chaining  
d. None of these
ANSWER A

2. _____method is used to establish priority by serially connecting all devices that request an interrupt:
a. Polling      
b. Daisy chaining         
c. Priority        
d. None of these
ANSWER B

3. In daisy chaining device 0 will pass signal only if it has:
a. Interrupt request  
b. No interrupt request  
c. Both a & b 
d. None of these
ANSWER B
4. VAD stands for:
a. Vector address 
b. Symbol address 
c. Link address  
d. None of these
ANSWER A

5. _______interrupt method uses a register whose bits are set separately by interrupt signal for each device:
a. Parallel priority interrupt      
b. Serial priority interrupt
c. Both a & b           
d. None of these
ANSWER A
6. ______register is used whose purpose is to control status of each interrupt request in parallel priority interrupt:
a. Mass    
b. Mark       
c. Make       
d. Mask
ANSWER A
7. The ANDed output of bits of interrupt register and mask register are set as input of:
a. Priority decoder
b. Priority encoder
c. Priority decoder
d. Multiplexer
ANSWER B

8. Which 2 output bits of priority encoder are the part of vector address for each interrupt source in parallel priority interrupt:
a. A0 and A1 
b. A0 and A2     
c. A0 and A3     
d. A1 and A2
ANSWER A

9. Which technique is used that identifies the highest priority resource by means of software:
a. Daisy chaining        
b. Polling       
c. Priority    
d. Chaining
ANSWER B

10. Which technique is used that identifies the highest priority resource by means of software:
a. Daisy chaining        
b. Polling     
c. Priority     
d. Chaining
ANSWER B