If I completely shut down a computer and not use it for months, how can it still tell the time accurately? (given that it isn’t immediately connected to the internet)

Question

If I completely shut down a computer and not use it for months, how can it still tell the time accurately? (given that it isn’t immediately connected to the internet)

In: Technology

Answer 1

If you look inside your computer somewhere on the motherboard (the big main circuit board, can’t miss it) there’s a round little battery. The main purpose is to ensure that bios settings and the time and date are kept up to date. Eventually of course the battery will die and at this point when you power the computer on the date and time will reset to the default time.