Answer to Question #258967 in Electrical Engineering for SUNNY

Question #258967

What is the basic advantage of using interrupt-initiated data transfer over transfer under


program control without an interrupt?

1
Expert's answer
2021-11-01T08:52:28-0400

In an interrupt-initiated data transfer, the processor verifies the request and transfers control to ISR to perform the task before returning to the useful task, whereas without an interrupt, the processor must waste time performing all tasks. For example, when a print command is given in an interrupt-initiated data transfer, it gives control to ISR and returns to the useful task, whereas without an interrupt, the processor must wait until the print document is transferred to the printer.


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