ISRO | ISRO CS 2008 | Question 61

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) Stack pointer

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 for saving the contents of TLB as it is being invalid after each context switch.

So, option (B) is correct
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