0
Which of the following statement(s) is/are correct for context switching in Operating System?
I. When a context switch occurs, the kernel saves the context of the old process in its PCB (Process Control Block).
II. Context-Switch time is pure overhead, because the system does no useful work while switching.
- ANeither I nor II
- BOnly I
- COnly II
- DBoth I and II
Correct answer: D