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

Most if not all computers have a 2032 battery on the motherboard that supplies power to keep time and date accurate.