Polling_________.
A) requires the processor to periodically check each device to see which if any of them require servicing
B) is more efficient than interrupt- driven processor operation
C) has the processor operate normally until a device signals that it requires servicing
D) none of the above

Question

Quizplus · Accepted Answer

Polling involves the processor periodically checking each device to determine if it requires servicing, rather than waiting for a device to signal that it needs attention. This is in contrast to interrupt-driven operation, where the processor is alerted by a device when it needs servicing, making polling generally less efficient due to the constant checking required.