If you have a Windows computer, it is good for them to be restarted and turning off periodically. However, if you have a Mac, they do not necessarily need to be turned off every night.
not necessarily but it is a good idea to turn off the light at night to prevent algae growth.
On older computers, flick the switch on the right of the computer, on the newer ones there is a button on the front or side that will turn it off
To save the computers power and stop it from overheating.
You should turn off the light, but you should provide a different heating source at night for most species.
Turn off engine, pull emergency breaks then turn engine on again.
Turn the light off when you leave a room, turn things like TVs and computers completely off instead of leaving them in stand-by.
No.
NO WAY JOSE AY! LEAVE THEM SUCKERS ON
No its all in the day
Yes or they will overheat.
Always turn it off, althought computers have standby and hibernate modes, they're not designed to be run constantly, even in a low power mode, severs and the like are the only computers that should be left on all the time.
There is no option to turn it off, and why in the world would you want to turn it off. There is no good reason to do so.