Digital Electronics - Computers

Exercise :: Computers - General Questions

16. 

During a read operation the CPU fetches ________.

A. a program instruction
B. another address
C. data itself
D. all of the above

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

17. 

The first Intel microprocessor to contain on-board cache memory was the ________.

A. 80386
B. 80486
C. Pentium
D. Pentium Pro

Answer: Option B

Explanation:

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18. 

Which of the following is not an 8086/8088 general-purpose register?

A. Code segment (CS)
B. Data segment (DS)
C. Stack segment (SS)
D. Address segment (AS)

Answer: Option D

Explanation:

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19. 

Which of the following is not a computer bus?

A. Data bus
B. Control bus
C. Timer bus
D. Address bus

Answer: Option C

Explanation:

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20. 

With interrupt-driven I/O, if two or more devices request service at the same time, ________.

A. the device closest to the CPU gets priority
B. the device that is fastest gets priority
C. the device assigned the highest priority is serviced first
D. the system is likely to crash

Answer: Option C

Explanation:

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