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Operating System

A special request originated from some device to the CPU to acquire some of its time is called ______.

Correct Answer is: interrupt


A special request from a device to the CPU to acquire some of its time is called an interrupt. An interrupt takes control of the system bus, performs operations, and then gives control back to the CPU. Interrupts are usually identified by a number and handled by the interrupt controller

An interrupt is a signal that causes a microprocessor to stop its current task and execute a predefined routine. The routine is called an interrupt handler.

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