Question

Write short note on polling.

Answer 1

Answer:

Polling is the process where the computer or controlling device waits for an external device to check for it's readiness or state, often with low-level hardware ....In other words, the computer waits until the device is ready.

Answer 2

Answer:

In electronic communication, 'polling' is the continuous checking of other programs or devices by one progam or device to see what state they are in, usually to see whether they are still connected or want to communicate.