Yes your computer is using energy while sleeping. Also Screensavers don't save energy. The best way to "sleep" your computer is make it Hibernate. While hibernating your session is saved to your ram (or hard drive) make start up fast when you need to use it. Also when ANY appliance is plugged in it still uses energy even when off.
Yes your body is always using energy no matter what you are doing.
Using a computer : electrical to light heat and sound, using a battery : chemical energy to electrical energy, o
No, sleeping is not related to form of energy. Though, while sleeping, body would go through sequence of chemical energy change to repair our cells.
We need energy while sleeping because our heart is beating and we are living.
good old fashioned electricity.
A computers energy source is electricity. When using a computer plugged in or not it is drawing electricity from the battery or from a plug which is connected into the PC and a wall outlet. When there is no electricity the computer cannot function.
They get their energy by sleeping
Suprisingly you actually use more energy when you are sleeping then when you are awake.
Some ways to save energy on a computer are to shut it off when you don't need it, or to put it in sleep moode when you are not using it for long periods of time. Something most people don't know is that it takes more energy for a computer to display a lighter-colored screen, so using a darker-colored background or screen will actually help to save some energy.
You cannot using an computer if is has running out of battery, and if not having an charger putted the computer in the microwave creates energy.
It is good to turn of your computer when you're not using it because it really saves energy. It's a pain to turn it back on when you to but it does help the enviroment. ALOT!
The battery charger in a computer works by taking the electrical current in the socket and using that energy while the computer isn't plugged into the socket.