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 (Pacific Century CyberWorks) (Chinese: 電訊盈科有限公司) is the holding company of HKT Group Holdings Limited, a Hong Kong based information and communications technology (ICT) company.
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 PCC (Presidents’ Conference Committee) is a streetcar (tram) design that was first built in the United States in the 1930s.
PC/104 (or PC104) is a family of embedded computer standards which define both form factors and computer buses.