(Digital cameras and photo printers) Flexible or Floppy Disc Drive. A storage medium with a capacity of 1.44 megabytes (MB). Found on http://www.encyclo.co.uk/local/20472
Frequency Division Duplex. Separating transmit and receive (or uplink and downlink in the mobile context) channels by allocating different parts of the radio spectrum to them. Used in GSM, UMTS, IS-136, IS-95 and PDC. Contrast TDD (time division duplex).
Found on http://www.encyclo.co.uk/visitor-contributions.php