*debugging: locating, isolating, and eliminating program errors. (2-8b)
*decode: translate from computer to human language. (2-10a)
digital: the representation of data for transmission by discrete signals.
*digital calculator: a machine, like the abacus, or adding machine, that essentially
does counting operations. (1-8b)
digital computer: a computer capable of performing calculations by counting is and
Os; data is represented as digital "on-off" states.
direct (or random) access: a type of storage in which access can be made directly to
the data in any storage location found on magnetic core, magnetic disk, magnetic drum,
or magnetic card).
disk (hard disk): a round magnetized plate, usually made of plastic or metal,
organized into concentric tracks and preshaped sectors for storing data.
disk drive: a mechanism that rotates a storage disk and reads or records data.
*download: receive or capture electronically; copy a file or any portion thereof. (3-7e)
electromechanical: composed of both electrical and mechanical parts.
*electronic mail: the transmission of messages at high speeds between workstations,
either by communications network facilities or local area networks; typically for
interoffice correspondence, calendars, schedules, short messages between individuals.
*encode: convert information into computer language. (2-4)
: an acronym for facsimile transmission, that is, transmission
of images over
communication system. (4-6)
*field: a meaningful item of data, that is, a Social Security number. (3-3b(1))
file: a group of related records.