PC or pc may refer to:
PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-e, is a high-speed serial computer expansion bus standard, designed to replace the older PCI, PCI-X and AGP bus standards.
PC games, also known as computer games or personal computer games, are video games played on a personal computer rather than a dedicated video game console or arcade machine.
PCCW Limited (formerly known as Pacific Century CyberWorks Limited) is a Hong Kong-based information and communications technology (ICT) company which most notably as the majority owner of HKT Limited.
In computing, PC Card is a configuration for computer parallel communication peripheral interface, designed for laptop computers.
Proprotein convertase subtilisin/kexin type 9 (PCSK9) is an enzyme encoded by the PCSK9 gene in humans on chromosome 1. It is the 9th member of the proprotein convertase family of proteins that activate other proteins.
The PC-9800 series (Japanese: PC-9800シリーズ, Hepburn: Pī Sī Kyūsen Happyaku Sirīzu), commonly shortened to PC-98, is a lineup of Japanese 16-bit and 32-bit personal computers manufactured by NEC from 1982 through 2000. The platform established NEC's dominance in the Japanese personal computer market, and by 1999, more than 18 million PC-98 units had been sold.
PCLinuxOS, often shortened to PCLOS, is a Linux distribution, with KDE Plasma Desktop as its default user interface.
The PCC (Presidents’ Conference Committee) is a streetcar (tram) design that was first built in the United States in the 1930s.