By Hannah Cowie
CPU stands for Central Processing Unit. It is like the 'brain' of the computer. Or you could imagine it as a person who is in chardge of lots of workers. The person orders the others to do things likebring up the internet or play discs. if you have a dual processer there are two people so you can do two things at once and quad processers so there are four people and you can do four things at once. In mobiles you normally have Quad processers.