ISRO | ISRO CS 2008 | Question 44

Which of the following need not necessarily be saved on a context switch between processes?
(A) General purpose registers
(B) Translation look-aside buffer
(C) Program counter
(D) All of the above


Answer: (B)

Explanation: The values stored in registers, stack pointers and program counters are saved on context switch between the processes so as to resume the execution of the process.
There’s no need of saving the contents of TLB as it is invalidated after each context switch.

So, option (B) is correct

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