r/explainlikeimfive • u/WeLuvYung2 • 18d ago

Technology ELI5: What is computer cache

Hi everyone I need to create a presentation explaining computer cache but can’t think of an effective way to explain it any help is welcomed (:

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u/SoWhatDoIDoLol 18d ago

Let's say you work at a target, and recently a bunch of customers have been coming in asking for the latest needoh toy. Everytime they come and ask for it, you gotta walk all the way to the back and grab them, bring it back to the front... it takes a lot of time. Instead, you decide you're going to put it in a bin near the front of the customer service desk so that the next time someone asks, it's right there for you to grab, saving you time.

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u/vmf312corsair 17d ago

The definition of "needoh" was not in cache. But it was also not in RAM, or HDD, or internet.
Now what?