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.
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.
PC/104 (or PC104) is a family of embedded computer standards which define both form factors and computer buses.
The PCC (Presidents’ Conference Committee) is a streetcar (tram) design that was first built in the United States in the 1930s.