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Central Processing Unit (CPU).
A computer with a better Central Processing Unit has a faster speed. For example, a 4 GHz CPU can run 4 thousand million cycles every second. CPU is also known as the brain of a computer.

Do you think you know everything about the beloved series of fantasy novels written by J. K. Rowling? Test your knowledge with our collection of questions about the Harry Potter books and movies. Prove you are a true fan with this 20-question Harry Potter quiz! (more…)