Dictionary v

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V

Validation		Ein program auf dessen fehlerfreien funktion prüfen		This is a check to ensure that the data is accurate and can be made during the inputting or transferring of data, It does not fully get rid of mistakes, but it makes it difficult for wrong data to enter the system.
Variable		Variabel		This is anything that could be changed or varies, but usually with computers, it is a numerical value or a text string which has been defined as a variable. Different programming languages have adapted their own methods of labelling variables so as to enable fast access to such data.
V-codes		V-codes		Various standards applicable to the transmission of data are given names or codes.
Verification		Bestätigung		This is done to ensure something is typed and transmitted correctly. A number of different methods may be employed to achieve this.
Video-conferencing		Videokonferenz		When two or more groups of people in different places can have a discussion and see and hear each other. The telecommunications network carries sound and picture using satellites, these conferences can take place across the world.
Video electronics standard association VESA		VESA-Standard		With the confusion in the super VGA market, a group of video adapter manufacturers are attempting to resolve it, by introducing a set of uniform standards.
Video signal		Videosignal		The signal that provides the picture in a television set, though in a television transmission entering through the aerial socket, it must be separated from the sound, via the aerial socket, most microcomputers will display their output on a tv set.
Videotex		Videotext		An information service that can display text on the screen of a television. As part of a television picture (Teletext) or as a coded telephone signal.
View data		Bildschirmtextsystem		In the form of pages or frames which the user can call up from a dumb terminal or keypad, this is an information retrieval service via phone lines from a central computer or direct from the information provider.
Virus		Virus		Self replicating piece of computer code which when activated produces unwanted results.
Visual display unit VDU		V.D.U.		A device used to display output from a computer like a television set like a monitor but it is normally associated with a keyboard.
Voice input		Spracheingabe		Voice commands entered instead of keyboard action.
Volatile memory		Flüchtiger Speicher		Memory that looses data when the power is switched off.
Virtual disk		Virtuelle Diskette		Used as a fast disk storage system controlled by it's own short program, this is a section of resident random access memory, referred to as a RAM disk.
Virtual memory		Virtuellesgedächtnis		To provide extra memory space with the use of backing stores when the computer is required to translate virtual locations that the programmer has specified
Virtual reality		Virtuelle Realität		A computer generated world. A helmet with a two screen visor and a hand controlled device are a form that is used. Another used is the whole body suit which may simulate actual body movement, the effects are very real.

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