how do computers keep track of time even when they are unplugged for extended periods of time?

Answer 1

There is a battery located on the mother board that supports the internal clock.

Answer 2

Computers have an internal cell battery the size of a penny that keeps an internal clock ticking. But if you dont turn on the computer for a few years the battery's charge dwindles and loses track of time.

Answer 3

There is a small "watch battery" on the motherboard, which keeps the internal clock "ticking" (not literally) even when the computer is unplugged.

Answer 4

Computers have little batteries in them that lets them keep time and other information to help start them up. Usually, it's the same kind of battery as the ones found in watches.

Answer 5

Its a CR-2032 Lithium Coin Battery if this is newly bought from the store, this could last to 5 - 10 yrs. Mine is 6 yrs old still functioning well.

Answer 6

CMOS battery on the motherboard. It keeps track of the date, BIOS settings, and tick count for the computer.

Answer 7

all computers have a battery back up time is programed in the mother board

Answer 8

yep, there is a very tiny battery inside the computer that keeps your computer's clock running, plus it probolby gets the time from a time server every time you connect to the internet

Answer 9

they have a small battery on the mother board that keeps an internal clock going..this battery can last for years and years

Answer 10

Only if your battery in the motherboard is good. Otherwise, time will reset itself when the battery dies.