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Central Processing Unit (CPU)

A CPU (Central Processing Unit) is the core of every Personal Computer. Without it, no PC can function.

The CPU is a microchip that is installed on a motherboard and acts as the computer’s brain - performing calculations and coordinating the hardware components.

The speed of the CPU is measured in hertz and refers to the number of cycles per second that the CPU runs at. During each cycle, one instruction can be processed. A CPU with a speed of 100 Megahertz (100 Mhz) can process 100 million jobs per second. One with a speed of 5 Gigahertz (5 Ghz) can process 5 billion jobs per second. Basically, the faster the speed of the CPU, the more instructions can be processed in a given period of time.

See Clock Speed

 

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