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this post was submitted on 04 Aug 2023
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Explain Like I'm Five
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In a RAM you're just trapping current in a loop inside a logical circuit and the state that you get, since it will be stable until it's reset, is just a memorized 1 bit. You're not changing anything physical there.
See: https://en.wikipedia.org/wiki/Memory_cell_(computing) (not an ELI5 though)
Wikipedia animation of a basic logical circuit that allows you to do that using NOR gates:
That is static RAM (SRAM). Most RAM in computesr is DRAM, which works a bit differently and is much cheaper and denser, but more difficult to operate.