
GLOSSARY
logo
Small illustration or design, usually simple, typically used to
identify a company.
log on
Procedure by which a user begins a session between an
application program and a logical unit.
MB
megabyte. Unit of one million bytes.
menu
List of available functions, commands, and options.
MHz
megahertz. 1. Unit of cycling speed (one million cycles per
second) for an electromagnetic wave (in particular, a radio wave).
2. Sending and receiving stations of a radio wave transmission
must be tuned into the same unit of megahertz.
MICR
Magnetic Ink Character Recognition. MICR allows a computer to
read characters printed in special metallic ink by scanning the
shapes of their magnetic fields. MICR fields are often imprinted
on bank checks before processing.
mode
Manner in which an activity or process is carried out.
operating system
Basic host-resident or LPS-resident controlling program that
governs the operations of a computer, such as job entry,
input/output, and data management. The operating system is
always running when the computer is active. Unlike other types
of programs, it does not run to an end point and stop. The
operating system of a Xerox LPS is referred to as the OSS
(operating system software).
orientation
1. In reference to image area, orientation describes whether the
printed lines are parallel to the long edge of the paper or the
short edge of the paper. 2. Choice of printing portrait
(vertically) or landscape (horizontally).
origin
In reference to image area, this is the upper left corner of a
sheet.
output
1. Material produced by a peripheral device of a computer, such
as a printout or a magnetic tape. 2. The result of completed
operations.
page
1. In computer programming, a block of instruction, data, or
both that can be located in main or auxiliary storage. 2. In word
processing, a defined section of a document.
page orientation
Direction in which data is printed on a report. See also
landscape page orientation and portrait page orientation.
parameter
Part of a command, other than the keyword. Refer to keyword,
operator command.
XEROX 4135-II LASER PRINTING SYSTEM—SYSTEM GENERATION GUIDE
GLOSSARY-5