Context-switch

Question 1
Which of the following need not necessarily be saved on a Context Switch between processes?
A
General purpose registers
B
Translation lookaside buffer
C
Program counter
D
Stack pointer
       Operating-Systems       Context-switch       ISRO CS 2008
Question 1 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.
There is 1 question to complete.
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