Computer bus

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A Computer bus (often simply called Bus) is part of some computers. Its role is to transfer data, signals or power between some of the components that make up a computer. Such buses are in wide use:

  • Link between the CPU and on-board Memory.
  • Link between multiple CPUs in a multi-cpu system
  • Link the Arithmethic and Logic Unit to the rest of the CPU
  • Connect harddrives, graphics cards, etc to the main system.
  • Serial-ATA, ATAPI, USB and Firewire connections.

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