backup ack"up, n. 1. anything kept in reserve to serve as a substitute in case of failure or unavailability of the normal or primary object; -- used for devices, plans, people, etc. Also used attributively; as, there was no backup for the electrical supply; a backup motor; a backup generator. [PJC]

2. (Music) a musician or group of musicians accompanying a soloist, whether vocalists or instrumentalists.

Syn: accompaniment. [PJC]

3. a person or group of persons serving as reinforcement for another or others; as, the policeman called for backup when he was fired on. [PJC]

4. an accumulation, overflow, or reverse flow (in traffic or a liquid flow system) caused by a stoppage or other malfunction. [PJC]

5. (Computers) A copy of a program or data from a computer onto a data-storage medium, usually one that may be removed to safe storage at a distance from the computer; it is used to preserve data for use in the contingency that the original data on the computer may be lost or become unusable. A backup that is removed from the building housing the computer system (to provide protection against loss of data in a disastrous event such as a fire) is called off-site backup. Also used attributively; as, backup copy. [PJC]

6. (Computers) The act or process of creating a backup[5]; as, they performed a full system backup every weekend. [PJC]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • backup — back‧up [ˈbækʌp] noun [countable] COMPUTING a copy of information held on a computer that is put onto a disk so that the information is not lost if there is a problem with the computer: • Take a backup copy of the file to be converted. * * *… …   Financial and business terms

  • backup — or back up [bak′up΄] adj. 1. standing by as an alternate or auxiliary [a backup pilot] 2. supporting [a backup effort] n. 1. the act or result of backing up; specif., a) an accumulation because of a stoppage b) a …   English World dictionary

  • backup — {{/stl 13}}{{stl 7}}[wym. bekap] {{/stl 7}}{{stl 8}}rz. mnż I, D. u, Mc. backuppie, inform. {{/stl 8}}{{stl 7}} kopia zapasowa danych, kopia bezpieczeństwa : {{/stl 7}}{{stl 10}}Jednym z elementów czegoś, co można by nazwać „kulturą” korzystania… …   Langenscheidt Polski wyjaśnień

  • backup — Un ordenador duplicado, fichero, equipo o procedimiento para su utilización en caso de fallo en los medios de almacenamiento o de los componentes. Diccionario Mosby Medicina, Enfermería y Ciencias de la Salud, Ediciones Hancourt, S.A. 1999 …   Diccionario médico

  • backup — (o back up) / bækʌp/, it. /bɛ kap/ s. ingl. (propr. sostegno, rinforzo ), usato in ital. al masch. (inform.) [procedura con la quale si realizza una copia di sicurezza di un certo insieme di dati e il prodotto stesso della copiatura] ▶◀ copia …   Enciclopedia Italiana

  • backup — see BACK UP (Cf. back up) …   Etymology dictionary

  • backup — /beˈkap, ingl. ˈbækʌp/ [vc. ingl., comp. di to back «appoggiare» (da back «schiena, schienale») e up «su»] s. m. inv. (elab.) copia di riserva …   Sinonimi e Contrari. Terza edizione

  • backup — [n] auxiliary alternate, extra, substitute; concepts 546,824 …   New thesaurus

  • Backup — For other uses of Backup , see Backup (disambiguation). In information technology, a backup or the process of backing up is making copies of data which may be used to restore the original after a data loss event. The verb form is back up in two… …   Wikipedia

  • Backup — Datensicherung (engl.: Backup [ˈbækʌp]) bezeichnet das teilweise oder gesamte Kopieren der in einem Computersystem vorhandenen Daten auf ein alternatives (häufig transportables) Speichermedium. Sie kann ebenfalls auf einem so genannten… …   Deutsch Wikipedia

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