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Operating System Questions & Answers (Compiled from UPSC, SSC ,PSC ,IBPS previous question papers)

  • Reference bit is used for
  • AImplementing LRU page replacement algorithm
  • BImplementing NRU algorithm
  • CTo check the page table entry in the cache memory
  • Dnone of above
  • Dirty bit is used to show
  • APage with corrupted data
  • BWrong page in memory
  • CPage that is modified after being loaded in the cache memory
  • Dpage that is less frequently accessed
  • Disk scheduling includes deciding
  • Awhich should be accessed next
  • Border in which disk access requests must be serviced
  • Cthe physical location of the file
  • Dthe logical location of the file
  • Which one is true
  • AThe linkage editor is used to edit programs which have to later link together
  • BThe linkage editor links object module during compiling
  • CThe linkage editor links objects modules and resolves external references between them before loading
  • Dnone of above
  • Scissoring enables
  • Aa part of data to be displayed
  • Bentire data to be displayed
  • Cfull data display on fulll area of sceen
  • Dno data display
  • Daisy chain is a device for
  • Aconnecting a number of controllers to a device
  • Bconnecting a number of device to a controller
  • Call of above
  • Dnone of above