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Refers to a family of personal computers produced by IBM. The term can also refer to computers that conform to set of loosely controlled standards. These are also called IBM clones , IBM compatibles , or simply compatibles. These terms are actually misnomers because many of the PCs produced by IBM do not conform to industry standards. For example, IBM attempted to change the expansion bus to MCA in its PS/2 line of PCs, but the industry did not follow suit.

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