eli5: At the most basic level, how is a computer programmed to know how long a unit of time is?
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So everyone explained how a computer computes Time, and that’s true, now basically every computer connected to internet use what is called an NTP (Network Time Protocol) server, which is a server that sync time on multiple computers.
Basically your motherboard knows when Time passes with the crystal and the Operating System can use this information or simply use an external NTP server to sync what time it is.
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