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Virtual Memory

Wednesday, November 10th, 2004 by | Filed Under: Computer Terms, System Tune-Up Help
 
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Q:
What is Virtual Memory?

A:
Virtual memory is non-physical memory (yeah, like that helps).

Windows uses virtual memory when it doesn’t have enough “regular” physical memory to perform a task. When it does this, Windows uses your hard drive to store information that normally would be put into your RAM memory. Here’s an overly simplified example:

Let’s say you have 1 gigabyte of RAM available and you start launching programs left and right; effectively using up more physical ram that you have available. Things is, that your programs are still running just fine! What’s happening?

In short, Windows is using a portion of hard drive space to supplement your physical RAM (don’t worry, it will be restored once Windows is done with it).

I know what you’re thinking. Why bother to add extra RAM to my computer if it can use hard drive space instead? Main reason – RAM is much faster.

Whenever you’re using a lot of virtual memory, you’re slowing your computer down (way the heck down). The best work around is to get more physical memory. I recommend at least 2 gigabytes or more, depending on how many programs you run simultaneously.

~ Steve

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