GATE - 1997 | OS | Dirty bit for a page in a page table

GATE - 1997 | OS | Dirty bit for a page in a page table
Posted on 01-03-2022

GATE - 1997 [Operating System]

Question:

Dirty bit for a page in a page table

A

helps avoid unnecessary writes on a paging device

B

helps maintain LRU information

C

allows only read on a page

D

None of the above

 

Solution:

Option (A) is Correct.


The dirty bit allows for a performance optimization i.e., Dirty bit for a page in a page table helps to avoid unnecessary writes on a paging device.

 

Thank You

Download App for Free PDF Download

GovtVacancy.Net Android App: Download

government vacancy govt job sarkari naukri android application google play store https://play.google.com/store/apps/details?id=xyz.appmaker.juptmh