VAB
Value-Added Bank. A financial institution that facilitates the transmission of electronic data among multiple trading partners and provides financial settlement of payment and remittance detail transactions.
|
VALUE ADDED NETWORK (VAN)
A VAN is a service or system that provides EDI mailbox services (a place to deposit and receive EDI documents). It provides communications protocol and line speed matching between dissimilar systems.
|
VDT (VIDEO DISPLAY TERMINAL)
A computer terminal with a keyboard and a video display screen.
|
VECTOR
An image data type used more to describe graphic, geometric components in the image. A series of mathematical functions to describe the geometric figure. Vector images are typically used for CADICAM applications where the image is composed primarily of various shaped lines.
|
VECTOR DATA
Digital description of an image stored as a series of points and mathematical functions to describe the geometric figure, i.e., line, circle or arc.
|
VECTOR DISPLAY
A terminal that uses vectored line segments rather than pixels to display images.
|
VECTOR TO RASTER CONVERSION
Conversion of vector data image into a raster image. See also raster, raster data, raster graphics, vector data.
|
VENDOR
Any person or company that sells something or charges for a service.
|
VERIFICATION
The technical process by which a scan line is measured to determine whether it meets the application specification for that font. Verification is usually accomplished with equipment, which measures the elements with a microscope and establishes contrast by a densitometer.
|
VERIFY
To determine whether a transcription of data has been accomplished accurately.
|
VERONICA
Very Easy Rodent Oriented Net-wide Index to Computerized Archives. Developed at the University of Nevada, Veronica is a constantly updated database of the names of almost every menu item on thousands of gopher servers. The Veronica database can be searched from most major gopher menus.
|
VGA (VIDEO GRAPHICS ARRAY)
Standard IBM monitor. Resolution is 640 x 480.
|
VIDEO AND AUDIO STREAMING
The ability to send a continuous stream of high-quality live or pre-recorded video or audio to people across the Web.
|
VIDEOTEXT
A central computer database, which supplies many information resources and enables the user to communicate with it using a computer terminal. Typical videotext uses are electronic shopping, stock market transactions, travel reservations, news reports, etc.
|
VINES (VIRTUAL NETWORKING SYSTEM)
A Unix NOS that runs on DOS and 0s-2based servers. VINES provides internetworking of PCs, minis, mainframes and other computer systems. (Banyan Vines)
|
VIRTUAL
Pertaining to a device or facility that does not physically exist, yet behaves as if it does. For example, a system with 4 megabytes of virtual memory may have only one megabyte of physical memory plus additional (slower and cheaper) auxiliary memory. Yet programs written as if 4 megabytes of physical memory were available will run correctly.
|
VIRTUAL CASH
|
VIRTUAL MEMORY SYSTEM (VMS)
An operating system for the VAX and Alpha computers of Digital Equipment Corporation.
|
VIRTUAL PRIVATE NETWORK (VPN)
Usually refers to a network in which some of the parts are connected using the public Internet, but the data sent across the Internet is encrypted, so the entire network is "virtually" private. A typical example would be a company network where there are two offices in different cities. Using the Internet, the two offices merge their networks into one network, but encrypt traffic that uses the Internet link.
|
VIRTUAL TERMINAL
A program that makes a PC behave as a terminal does.
|
VIRUS
A program that can make a copy of itself without the computer user necessarily being aware of it; some viruses can destroy or damage files. Generally, the best protection is to always maintain backups of one's files.
|
VMS
|
VOICE RECOGNITION
The understanding and digitalization of spoken words by a computer.
|
VOID
An area within an OCR character, which is of high reflectance relative to the dark reflectance criteria, i.e. the character is poorly inked. Large voids might result in a non-read or misread.
|
VOLATILE MEMORY
Memory that does not hold its contents without power.
|
VOLUME
A physical unit of a storage medium, such as tape reel or disk pack that is capable of having data recorded on it and subsequently read. Also refers to a contiguous collection of cylinders or blocks on a disk that are treated as a separate unit.
|
VOLUNTARY STANDARD
A standard established by a private body and available for public use.
|
VPN
See Virtual Private Network.
|
VT
Virtual Terminal. The OSI Virtual Terminal Service. Similar to Telnet.
|