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Computer Bus
A set of electric paths through which computer (CPU) send and receives data and instructions to and from different components of computer is called computer bus. The amount of data that a Bus can carry at one time is known as bus width.

Functions of Computer Bus
All the devices of computer system are connected together by computer Bus. The speed at which data moves from one location to another is called bus clock speed. It affects the overall performance of the computer. bus clock speed is measured in megahertz (MHz).