Glossary
Application program
A program designed to meet specific user needs, such as a program that monitors
a manufacturing process.
Allocation class
The allocation class is used by the VMS operating system to derive a common
lock resource name for multiple access paths to the same device.
Backplane
1. The connector block that printed circuit boards plug into.
2. A printed circuit board containing the bus.
Back up
The process of making copies of the data stored in the ISE(s) so that you can
recover that data after an accidental loss. You make the copies on a tape
cartridge and then store it in a safe place.
Backup copy
A duplicate copy of data on the ISE that is stored on a tape cartridge.
Baud rate
The speed at which signals are transmitted serially over a communication line.
Binary
A number system that uses only two digits: 0 and 1. The digits are usually
represented in circuitry by two voltage levels.
Bit
A binary digit, the smallest unit of information in a binary system of notation,
designated as a 0 or a 1.
Glossary–1