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GATE 1991
October 28, 2023
GATE 1997
October 28, 2023
GATE 1991
October 28, 2023
GATE 1997
October 28, 2023

GATE 1997

Question 23

When an interrupt occurs, an operating system

A
ignores the interrupt
B
always changes state of interrupted process after processing the interrupt
C
always resumes execution of interrupted process after processing the interrupt
D
may change state of interrupted process to ‘blocked’ and schedule another process
Question 23 Explanation: 
Option A: Based on the priority.
Option B: Not always.
Option C: Not always. If some high priority interrupt comes during execution of current interrupt then it fails.
Option D: It is True always.
Correct Answer: D
Question 23 Explanation: 
Option A: Based on the priority.
Option B: Not always.
Option C: Not always. If some high priority interrupt comes during execution of current interrupt then it fails.
Option D: It is True always.
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