Multiple choice

What is the process called when a primary device asks a secondary device if it has data to send to the computer?

  1. Polling

  2. Selecting

  3. Reserving

  4. Backing off
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A Correct answer
Explanation

Polling is a process where the primary device (controller) systematically asks secondary devices if they have data to transmit. The primary cycles through each secondary, granting them the opportunity to send data, ensuring orderly access to the communication channel.

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