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The CPU, after receiving an interrupt from an I/O device

A. halts for a predetermined time

B. hands over control of address bus and data bus to the interrupting device

C. branches off to the interrupt service routine immediately

D. branches off to the interrupt service routine after completion of the current instruction

E. None of the above

Answer: Option D

Solution(By Examveda Team)

It stands for Interrupt service routine or also known as an interrupt handler. It is a software process invoked by an interrupt request from a hardware device. It handles the request and sends it to the CPU i.e. interrupting the active process.

This Question Belongs to Computer Fundamentals >> Operating System

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