Digital Equipment VAXstation 2000 Hardware Installation Manual page 115

Glossary
application program
A program, such as a financial spreadsheet program, that performs an end-
user task.
ASCII
American Standard Code for Information Interchange. A set of 7- or 8-bit
binary numbers representing the alphabet, punctuation, numerals, and other
special symbols used in text representation and communications protocol.
backup copy
A copy of data stored on your disk. The duplicate copy is stored on either
RX33 diskettes or TK50 tape cartridges.
backup process
The process of making copies of the data stored on your disk so that you can
recover that data after an accidental loss. You make backup copies on RX33
diskettes, TK50 tape cartridges, or over a network.
baud rate
The speed at which signals are serially transmitted along a communications
line. One baud equals one bit/second.
binary
A number system that uses two digits: 0 and 1. They are represented in
system circuitry by two voltage levels, and programs are executed in binary
form.
bit
A binary digit; the smallest unit of information in a binary system of notation,
designated as a 0 or a 1.
bitn^ap graphics
The type of graphics supported by the VAXstation 2000. Bitmap graphics are
defined by the workstation software and can individually set the shade of
gray (or color) of each picture element (pixel) on the screen.
Glossary-1