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CPU [Central Processing Unit]

CPU [Central Processing Unit]

Central Processing Unit Though the term relates to a specific chip or the processor a CPU’s performance is determined by the rest of the computer’s circuitry and chips.

Currently, the Pentium chip or processor, made by Intel, is the most common CPU though there are many other companies that produce processors for personal computers. One example is the CPU made by Motorola which is used in Apple computers.

With faster processors, the clock speed becomes more important. Compared to some of the first computers which operated at below 30 megahertz (MHz) the Pentium chips began at 75 MHz in the late 1990’s. As of mid-2003 speeds now exceed 3000+ MHz or 3 gigahertz (GHz) (check your local computer store for the latest speed). It depends on the circuit board that the chip is housed in, or the motherboard, as to whether you are able to upgrade to a faster chip. The motherboard contains the circuitry and connections that allow the various components to communicate with each other.