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GLOSSARY
continuous printing
GLOSSARY-2
column
Vertical arrangement of characters.
command
User instruction to a computer, via the system controller
keyboard or the PC UI. Commands are words, mnemonics, or
characters that cause a computer to perform predefined
operations. Coded instruction to a computer or computer-based
system.
compatibility
Characteristic of computer equipment permitting one device to
use the same information or programs as another device without
conversion or code modification.
configuration
One or a group of computers and related devices (terminals,
printers, etc.) interconnected and programmed to operate as a
system (sharing resources, communicating data, accepting input,
etc.).
console
Functional unit containing devices used by an operator to
communicate with an operating system. It may consist of a
display, keyboard, and certain switches or other controls.
Refers to Interpress job integrity under any of the following
conditions: excessive graphics, forms, or font use problems.
cpi
characters per inch. Designates the number of characters per
inch for a particular typeface. See also pitch.
CPU
Central processing unit. Interprets and executes instructions,
performs all operations and calculations, and controls input and
output units and auxiliary attachments.
data
1. In general, facts, numbers, letters, symbols, etc., which can be
processed or produced by a computer. 2. In data processing,
the source data or raw data entered for processing (as opposed
to the results obtained by processing).
data file
Collection of related data records organized in a specific manner
so that each record is similarly structured, for example a payroll
file set up with one record for each employee, last name first,
indicating the rate of pay and all deductions.
data rate
In data communications, the rate at which a channel carries data,
measured in bps (bits per second).
data storage
Preservation of data on various media (for example tape, disks,
magnetic bubble memory, etc.).
desktop
The basic display screen of the PC UI.
device
Any piece of hardware other than the CPU (Central Processing
Unit).
XEROX 4135-II LASER PRINTING SYSTEM—SYSTEM GENERATION GUIDE
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