Question Detail

The LRU algorithm

  • pages out pages that have been used recently
  • pages out pages that have not been used recently
  • pages out pages that have been least used recently
  • pages out the first page in a given area
Similar Questions :

1. Memory protection is normally done by

  • the processor and the associated hardware
  • the operating system
  • the compiler
  • the user program

2. Multiprogramming systems

  • Are easier to develop than single programming systems
  • Execute each job faster
  • Execute more jobs in the same time
  • Are used only on large main frame computers

3. Semophores are used to solve the problem of

  • race condition
  • process synchronization
  • mutual exclusion
  • belady problem

4. Banker's algorithm deals with

  • deadlock prevention
  • deadlock avoidance
  • deadlock recovery
  • mutual exclusion

5. Main function of shared memory is:

  • to use primary memory efficently
  • to do intra process communication
  • to do inter process communication
  • none of above
Read more from - Operating System Questions Answers - Chapter 1