JKSSB Mock Tests

During a heavy process context switch, why must the Translation Lookaside Buffer (TLB) usually be flushed?

A. To clear temporary internet files
B. To reset the CPU thermal limits
C. Because the old virtual-to-physical memory address mappings belong to the previous process and are invalid for the new one
D. To force the hard drive to spin down
Answer: Option C
Solution (By JKSSB Mock Tests Team)
If the TLB is not flushed or tagged with Process IDs, Process B might access physical memory belonging to Process A using Process A's old mappings.
This Question Belongs to: Computer mcqs Computer set 1

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