(2) Pertaining to a procedure, technique, or hardware used to help recover lost or destroyed data or to keep a system operating.īackup file: A file made for possible later data restoration for example, a copy of a file preserved at an alternate site.īackup procedure: A procedure to provide for data restoration in case of a failure or a disaster for example: making backup files.īackus-Naur form (BNF): A metalanguage used to specify or describe the syntax of a language in which each symbol, by itself, may represent a string set of symbols. The state represented by an earlier node cannot always be successfully recreated since some of the already executed instructions have irreversible side effects.īackup: (1) The process of making a reserve copy of a file, of a document, etc. In many text processors a backspace character also causes deletion.īacktracking: In artificial intelligence, a search procedure in which the choice that leads to an unacceptable result causes the search to return to an earlier node to make another choice. The move backwards may cause moving to the last position of the previous line. (2) To move the print or display position backwards one position along the printing or display line.īackspace character (BS): A format effector that causes the print or display position to move one position backward along the line without producing the printing or display of any graphic. For example, to move a magnetic tape backwards by one block. Typically back propagation is used in connection with error-correction learning.īack-propagation network (BPN): In artificial neural network, a multilayered network using back propagation for connection weight adjustment during learning.īackspace: (1) To move a data medium or point of interaction backwards a specified distance. Backlighting can be used to produce a silhouette of the workpiece.īack-lit display: A display that uses a light source behind the image or screen.īack propagation: In a multilayered network, the propagation of connection weights adjustment, layer by layer, from the output layer toward the input of the network. Synonymous with static image.īackground processing: The execution of lower priority programs when higher priority programs are not using the system resources.īackground tile: A tile used to fill regions of a window when the contents of the window have been lost or have become invalid.īacklighting: Illumination, reaching the image sensor, that is not reflected from the surface of the object, but is provided behind the object. Synonymous with backward channel.īackground image: That part of a display image, such as a form overlay, that is not changed during a particular sequence of transactions. In case of simultaneous transfer of data in both directions, this definitionapplies with respect to the data source under consideration. Synonymous with backbone network.īack chaining: Synonym for backward chaining.īack channel: A transmission channel associated with a specific forward channel but with the opposite direction of transmission and used for supervisory or error control signals, or for response to the user. PREVIOUS PAGE Return to ANSDIT backbone: In a computer network, a subnetwork that connects end nodes or other subnetworks and that is characterized by high-speed data communications. ANSDIT - The letter "B" 0-9 A B C D E F G H I J K L M N O P Q R S T U V W XYZ
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