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

Programs all operate on data. Numbers. Your game, with all its polygons and textures, are at the end of the day a collection of billions if not trillions of numbers. All of your text in your browser are numbers. The youtube video you are streaming are all numbers.

Some programs need less and others more because they need different amount of numbers to do what they do. A computer has multiple places it can store those numbers. Like your SSD or HDD. The problem is that things like that are really slow. At least compared to RAM. RAM is like your SSD/HDD but hundreds or thousands of times faster. Without it, your program will be really slow.

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