System Administrator 2026
Locality of reference implies that the page reference being made by a process ____________
  • A. Will always be to the page used in the previous page reference
  • B. Is likely to be one of the pages used in the last few page references
  • C. Will always be one of the pages existing in memory
  • D. Will always lead to page faults
Because of virtual memory, the memory can be shared among ____________
  • A. Processes
  • B. Threads
  • C. Instructions
  • D. None of the mentioned
The pager concerns with the ____________
  • A. Individual page of a process
  • B. Entire process
  • C. Entire thread
  • D. First page of a process
Swap space exists in ____________
  • A. Primary memory
  • B. Secondary memory
  • C. Cpu
  • D. None of the mentioned
Effective access time is directly proportional to ____________
  • A. Page-fault rate
  • B. Hit ratio
  • C. Memory access time
  • D. None of the mentioned
In FIFO page replacement algorithm, when a page must be replaced ____________
  • A. Oldest page is chosen
  • B. Newest page is chosen
  • C. Random page is chosen
  • D. None of the mentioned
Which algorithm chooses the page that has not been used for the longest period of time whenever the page required to be replaced?
  • A. First in first out algorithm
  • B. Additional reference bit algorithm
  • C. Least recently used algorithm
  • D. Counting based page replacement algorithm
A process is thrashing if ____________
  • A. It spends a lot of time executing, rather than paging
  • B. It spends a lot of time paging than executing
  • C. It has no memory allocated to it
  • D. None of the mentioned
Working set model for page replacement is based on the assumption of ____________
  • A. Modularity
  • B. Locality
  • C. Globalization
  • D. Random access