A computer hardware piece that can be attached into PCI slot on the motherboard of the computer is known as PCI. Abbreviation PCI stands for Peripheral Component Interconnect was brought to computers by the company – Intel Corporation in the year 1993. PCI operative technology is connected on the motherboard of almost every PC that is produced since the year 1995. Motherboard PCI connection is identified as a wide strip of raised copper connectors coated in plastic. The long strip that has connectors is known as ‘bus’.