Computer batteries

Explain the term Computer batteries. Describe in detail.

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There exist 3 computer batteries types used within the computers.

a) Backup battery - referred to as the CMOS battery. This battery is holds the computer's settings, like the time and date. This enables the computer to remember the basic computer settings and the time and date without having to entering those settings each time the computer starts.

b) Bridge battery is only found within the portable computers as the temporary backup for main battery. This enables the user to remove the main battery and substitute it with the good battery without having to turn off the computer.

c) Main battery is also only used with portable computers as an alternate source of energy for when computer is not associated to the standard wall outlet.

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