(1) (High Definition) Refers to many different formats over the years for video cameras and camcorders, both analog and digital, that exceeded the resolution of analog TV (NTSC, PAL). In 1998, the U.S. introduced an official set of digital TV standards that included HD (see HDTV and DTV). See also high-def DVD formats, HD Radio, HD Audio and HDV.
(2) (Hard Disk or Hard Drive) The HD acronym is widely used in drive specifications; for example, 80GB HD means 80 gigabyte hard disk. FD means floppy disk. See magnetic disk and HDA.
(2) (Hard Disk or Hard Drive) The HD acronym is widely used in drive specifications; for example, 80GB HD means 80 gigabyte hard disk. FD means floppy disk. See magnetic disk and HDA.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2008 The Computer Language Company Inc. All rights reserved. |
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