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.
An average desktop computer uses between 60 and 300 watts. It is very difficult to know exactly how much computers use on average because there are so many different hardware configurations.
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.