Are you looking for a solution to remotely switch on your system? There is one thing I'm aware of called WOL, or, Wake On Lan. An ethernet device can be configured to power up the system if a WOL signal is received. There is WoWLAN for wifi.
It depends on your computer.
my cusion has a laptop and he had it turned off while he was at work i wanted to use it so i had turned it on a minute later he had phoned me and asked what i was doing on hos computer and that the computer had sent him a text message does anyone know how to do that please help
Usually, if NumLock is turned off, the numeric keypad to the right of the keyboard can control the cursor.
If it's not turned on it cannot use internet.
Technological advances in computer circuitry - mean they use far less than they used to. Left plugged in (but switched off) a computer uses less electricity over a year, than a 100 Watt light bulb would that's on !
No
Off ROM (Read Only Memory) is typically used to write permanent data or instructions to a system for use even after the computer is turned off. Examples of ROM are your BIOS and Firmware
A standard lamp will not use any electricity when it is off.
To have a magnet that can be turned on and off.
Permanent magnets can be turned off.
frodo's computer because gandelf put a spell on a sheet of paper and it turned into a computer and thats where computer aided design is put into use .
No, it should not use any electricity when off. If it is, you have a short or a ground.