PCI (Peripheral Component Interconnect)
PCI (Peripheral Component Interconnect) is a computer bus used for attaching peripheral devices to a computer motherboard. It is the most popular local I/O bus used in today. PCI provides a shared data path between the CPU and peripheral controllers in every computer models, from laptops to mainframes. Developed by the Intel Corporation, PCI first appeared in computers in 1993 and co-existed with the ISA bus for several years. It soon displaced the ISA and VESA local bus and became the standard
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