Wiktionary(3.00 / 1 vote)Rate this definition: 1  exclusion(Noun) The act of excluding or shutting out; removal from consideration or taking part. 2  exclusion(Noun) The act of pushing or forcing something out. 3  exclusion(Noun) An item not covered by an insurance policy.
The Peripheral Component Interconnect or more commonly known as PCI is a standard for connecting a lot of devices inside your computer to extend its capabilities. Devices like sound cards, modems, NIC, TV Tuners, and some video cards have at some point or another have used the PCI port. The latest version of PCI known as PCI express is a much improved version in terms of speed. PCIe uses a serial interface instead of the old parallel interface used by PCI. It also utilizes individual buses for each of the devices connected to it instead of a shared one like what PCI uses.
Introduced by Intel in 1992, revised in 1993 to version 2.0, and later revised in 1995 to PCI 2.1. PCI is short for Peripheral Component Interconnect and is a 32-bit computer bus that is also available as a 64-bit bus today. The PCI bus is the most commonly used and found bus in computers today. The PCI bus version 2.1