Why do computers need RAM memory? And why some programs require lots of it while others require less?

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Just curious about it, but can’t understand why is it like that.

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Anonymous 0 Comments

So imagine you are doing a research project, but don’t have the internet available to you. You go to a nearby library. To look up information, you need to walk over to the appropriate shelf with the reference material on it, pick it up, and bring it to the table where you are doing your project.

The library shelf is your hard drive with all that information and the table is your RAM. You have a limited space on the table, but if you put the books you need there temporarily, you can have access to them quickly and easily instead of having to go to the shelf, pull the book off, look up what you want, put it back, and then walk back. The more information you need for your project, the more space you will use on the table for reference books.

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