NEC SILENTWRIT 1700 Series - Manual (Page 189)

G–3
G
lo
ssa
ry
network operating system Computer software that
controls the basic operations of a network.
NOS See network operating system.
ns nanosecond
offline The state in which the printer cannot accept or
print out data.
online The state in which the printer can accept and
print out data.
operating system The computer program or group of
programs that controls the basic operation of the
computer and its peripheral devices.
parallel interface An interface that uses multiple data
circuits. It is usually faster than serial ports and may
also support bidirectional communication between
devices.
PCL Printer Command Language. An escape code
printer language developed by Hewlett-Packard.
PCL 5e A version of Hewlett-Packard’s Printer
Command Language—an escape code printer language.
PCL 5e is one of the printer languages emulated by the
Silentwriter 1760/1765. The other is PostScript Level 2,
which is a page description language.
PDL Page Description Language. A printer language,
such as Adobe’s PostScript, that describes pages of text
and graphics.
peripheral device Any device (such as a printer) that
you attach to and operate with your computer.
ping A program used with TCP/IP networks to test
the reachability of destinations by sending them a
request and waiting for a reply.
point A unit of measurement for sizing type. One
point equals 1/72 inch.
port A socket on the connector panel of a computer or
peripheral device where you can plug in a cable to
connect to another computer or device, or to a network.
PostScript Level 2 A page description language
developed by Adobe that controls the placement of text
and graphics on a page. PostScript Level 2 is one of the
printer languages emulated by the Silentwriter 1760/
1765. The other is PCL 5e, which is a printer command
language.
PostScript Printer Description file A file which
describes device-specific characteristics for a PostScript
device.
PPD See PostScript Printer Description File
Print Monitor The user interface for monitoring the
status of a print job from the computer display.
printer driver A software file that translates printer
commands.
printer language The generic term for a language that
the printer uses to interpret instructions for placing text
and graphics on a page. For example, the Silentwriter
1760/1765 can interpret information by emulating the
PCL 5e printer command language, the PostScript page
description language, or the HP-GL/2 graphics
language.
printer software Software you install on your
computer to allow you to control the printer from your
computer.
protocol A formal description of message formats and
the rules two or more machines must follow to
exchange those messages.