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.
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.
In computing, PC Card is a configuration for computer parallel communication peripheral interface, designed for laptop computers.
The PC-9800 series (Japanese: PC-9800シリーズ, Hepburn: Pī Sī Kyūsen Happyaku Shirīzu), 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 an x86-64 Linux distribution, with KDE Plasma Desktop and MATE as its default user interfaces.
The PCC (Presidents’ Conference Committee) is a streetcar (tram) design that was first built in the United States in the 1930s.