Do all computers have batteries in them?

Do all computers have batteries in them? I know older modles do but I assume the newer ones do to..

Do all computers have batteries in them?computer virus

Desktop computers only need a battery, to keep your BIOS settings stable, if the battery dies any BIOS data is lost. Your computer will no longer work, replace the battery and reset the BIOS settings. BTW the battery is usually a CR2032 Lithium battery.

Do all computers have batteries in them?free spyware remover

Yes, laptops and desktops both have batteries.
Yes, all of them do.
Yes that's how your computer keeps the time and date when you turn it off for one thing but I'm sure it helps other functions too.
cmos yes it holds the settings
I would imagine that all pc's do. they use them on the motherboard, but it is a simple watch battery i think, just to keep some juce flowing for the cmos.
yes they do
Yup all of em have batteries in them. they are small ones, for memory, and for the clock.