Answered Questions

  • What is page thrashing?

    Some operating systems (such as UNIX or Windows in enhanced mode) use virtual memory. Virtual memory is a technique for making a machine behave as if it had more memory than it really has, by using disk space to simulate RAM (random-access memory). In the 80386 and higher Intel CPU chips, and in most other modern microprocessors (such as the Motorola 68030, Sparc, and Power PC), exists a piece of...

    kranthi tadisetty

    • Oct 20th, 2013

    Thrashing means "high pagefaultservice time ",bcoz of that reason the operating system can applying pagereplacement algorithms are very highly,i.e(processor busy with executing pagereplacement algorithms rather than executing userinstructions

    amit1220

    • Dec 13th, 2012

    Thrashing is caused by under allocation of the minimum number of pages required by a process, forcing it to continuously page fault. The system can detect thrashing by evaluating the level of CPU util...