A PC Card is about the size of a credit card. There are three different sizes, varying in thickness: Type I is 3.3mm thick, Type II is 5.0mm thick and Type III is 10.5mm thick. All are 85.6mm long and 54.0mm wide.
A standard of the Personal Computer Memory Card International Association (see PCMCIA).
Short for PCMCIA - Personal Computer Memory Card International Association. It is a standard-sized module used in laptops for memory expansion and other peripherals, including modem cards.