This article is about the mammal. For other uses, see Porcupine (disambiguation) . Porcupines are rodents with a coat of sharp spines, or quills, that protect against predators. The term covers two families of animals, the Old World porcupines and New World porcupines.
Quick Answer. A laptop computer typically uses 20 to 75 watts, depending on its size, make and model. The actual wattage should be listed on the laptop or instrument panel.
This paper said it took about 6400 megajoules of electricity to make a desktop computer and a 17 CRT monitor in 2000, which would be about 1778 kwh-- or as much electricity as the typical household uses in two months.