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.
Depends on your adapter. If it is a 65 Watt adapter(which most 15 inch laptops are), then maximum that it can use is 65 Watts. 17 inch laptops usually have 90 Watt adapters. There are many factors that determine how much it uses, like how powerful your graphics card is, CPU, etc. Estlander, Feb 25, 2009.