Assuming a modern SSD/Phone. If the hardware doesn’t physically change and I can’t open it and see 1’s and 0’s, then how does the device know the state before the electricity went off?
In: Technology
ELI5 answer.
The hardware actually does physically change. When a picture is saved to memory, the phone does a “write” command to the drive. This means the data for picture is physically written on the drive. It no longer needs electricity to maintain the data.
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