Definition: A PCMCIA card is a removable compact-sized I/O (input/output) device used in laptops and PDAs. It used in the Type 2 PCMCIA slot on your mobile device and can provide a variety of functions. There are PCMCIA cards for: storage, Wi-Fi, modems and Ethernet.
PC Card - PCMCIA
From Catherine Roseberry, for About.com
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