Interrupt-driven I/O is preferred over polling because it :

Interrupt-driven I/O is preferred over polling because it :

a) reduces CPU idle time
b) is slower
c) uses more memory
d) requires fewer devices

From the BCS Technical Cadre (CSE) October 2025 – 49th BCS Written (Special) (BPSC) exam, question 80 of 123.

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