December 10, 2025

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Samsung’s. Double-Data-Rate (DDR) memory modules

Credit: Bloomberg / Contributor via Getty Images

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RAM, also known as random-access memory (or just memory for short), is an important part of most electronics these days. It essentially allows programs to keep key information at the ready so they don’t have to dig through your storage (like your hard drive or solid state drive) to find it. RAM is in laptops, phones, tablets, gaming consoles, and even cars, and all apps rely on it at least a little bit.

Essentially, if your device has a computer in it, it probably comes wi…

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