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Table Of Contents  CertiGuide to A+ (A+ 4 Real)
 9  Chapter 8: Motherboards
      9  What is a Bus?

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I/O Bus

I/O or Input/Output is the basic function of reading and writing data on a computer. The I/O bus provides a very “ground level” type of communication for devices such as keyboards, parallel ports and serial ports. It is also the slowest of the buses on a modern motherboard.


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CertiGuide to A+ (A+ 4 Real) (http://www.CertiGuide.com/apfr/) on CertiGuide.com
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