(Solved):When an I/O device is fast, which of the following mechanisms works better for the system? (a) Interrupt. (b) Poll. View Answer…

 

Question

When an I/O device is fast, which of the following mechanisms works better for the system?

(a) Interrupt.

(b) Poll.

 

EXPERT ANSWER

When an I/O device is fast, which of the following mechanisms works better for the system?

Answer: (b) Poll.

During the I/O processing, CPU reads the instructions and data, and writes out the data after processing. It uses control signals to control the overall operation of the system. It also receives the interrupt signals

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