UGC-NET | UGC NET CS 2018 Dec – II | Question 43
Dirty bit is used to show the
(A) Page with low frequency occurrence
(B) Wrong page
(C) Page with corrupted data
(D) Page that is modified after being loaded into cache memory
Explanation: A dirty bit or modified bit is a bit that is associated with a block of computer memory and indicates whether or not the corresponding block of memory has been modified. The dirty bit is set when the processor writes to (modifies) this memory.
Option (D) is correct.
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