Computer-Organization

Question 20

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

Computer-OrganizationInterruptGATE 1997

Question 20 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 20 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.