Digital Electronics - Computers - Discussion

14. 

Polled I/O works best when ________.

[A]. there are no priority considerations
[B]. priority considerations are frequent
[C]. the polling rate exceeds 1000 s
[D]. the polling rate is below 1000 s

Answer: Option A

Explanation:

No answer description available for this question.

Sri said: (Mar 2, 2012)  
Polling means continuously scanning of data lines for i/o devices.

If there are no priority considerations it works best.

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