Main System Board - Epson ExpressStation User Manual

Jumper
A small device that connects two pins on an option card, a
drive, or the main system board to close an electrical circuit and
activate a particular function.
Kilobyte (KB)
A unit used to measure storage space in a computer's memory
or on a disk. One kilobyte equals 1024 bytes.
LAN
Local Area Network. A series of computers connected by cables
in order to share software, data, and peripheral devices, as well
as communicate with each other. LANs are usually composed
of 5 to 15 computers running special network software, such as
Novell NetWare. Personal computers operating in a LAN
environment can also be used as stand-alone computers.

Main system board

The board built into your computer containing the circuitry the
computer requires to operate.
Mapping
The method used to mark the geographic location of a resource
within the memory address space.
Math coprocessor
An optional device that enables the computer to process certain
mathematical calculations and display certain graphic images
faster.
8
Glossary