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What is the term MCA mean?
Answer:
Micro Channel Architecture, MCA was introduced by IBM in 1987 as a competitor to the ISA bus. MCA offered several additional features over the ISA such as a 32-bit bus (in addition to a 16-bit bus), it ran at 10MHz, automatically configured cards (similar to what Plug-and-Play is today), and included bus mastering for greater efficiency.
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