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Thread: Virtual memory Paging file

  1. #1
    Join Date
    Oct 2008
    Posts
    128

    Virtual memory Paging file

    Hello Dear Friends of the forum.

    Having heard and read various topics concerning virtual memory, and not having enough experience in computer, can you help me understand about this:

    My PC on XP Sp3 with 2 GB of DDR2 memory.

    1. The Virtual Memory is it essential to the smooth functioning of the PC?

    2. Is what we can to zero virtual memory to avoid the slowdown of PC and avoid frequent access to the hard drive?

    3. Does the virtual memory is used only if it runs out of memory?

    4. In case it is mandatory to have virtual memory, is just 1 GB?


    Thank you for your help,

  2. #2
    Join Date
    Mar 2008
    Posts
    429

    Re: Virtual memory Paging file

    The Virtual Memory is it essential to the smooth functioning of the PC?
    Yup its increase the smooth functioning of the system. And some what it is necessary.

    Is what we can to zero virtual memory to avoid the slowdown of PC and avoid frequent access to the hard drive?
    You can remove the virtual memory. But in this case the time for the data access will be even higher.

    Does the virtual memory is used only if it runs out of memory?
    Yes.

    In case it is mandatory to have virtual memory, is just 1 GB?
    You can put the amount you want.

  3. #3
    Join Date
    Nov 2008
    Posts
    211

    Re: Virtual memory Paging file

    Virtual memory is a computer system technique which gives an application program the impression that it has contiguous working memory, while in fact it may be physically fragmented and may even overflow on to disk storage. Systems that use this technique make programming of large applications easier and use real physical memory (e.g. RAM) more efficiently than those without virtual memory.

    Note that "virtual memory" is not just "using disk space to extend physical memory size". Extending memory is a normal consequence of using virtual memory techniques, but can be done by other means such as overlays or swapping programs and their data completely out to disk while they are inactive. The definition of "virtual memory" is based on tricking programs into thinking they are using large blocks of contiguous addresses.

    All modern general-purpose computer operating systems use virtual memory techniques for ordinary applications, such as word processors, spreadsheets, multimedia players, accounting, etc.

  4. #4
    Join Date
    Dec 2008
    Posts
    1,108

    Re: Virtual memory Paging file

    The difference between stupidity and genius is that genius has its limits. - Albert Einstein

    What we think, we become (Please don't think you are a superhero and don't try to fly)

    "SUCCESS IS NOT A DESTINATION , IT'S A JOURNEY"

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