CNET GLOSSARY: Terms for the techie
Secure Digital card
A flash-memory card that provides portable storage for electronic devices such as digital cameras, PDAs, audio players, video recorders, and mobile phones. SD cards are small (about the size of a postage stamp) and rugged and feature a high data transfer rate and low power usage. They can hold up to 512MB of data.
Can't find your term here? Have a question about the glossary? E-mail us.