Math coprocessor
A device
that
enables the computer to process mathematical
calculations faster by using floating point numbers instead of
whole numbers for calculations.
Memory module
A small circuit board that contains surface-mounted memory
chips. You can add memory modules to the main system board
to expand your computer’s memory. See also
SIMM.
Modem
MOdulator/DEModulator. A device that allows a computer to
transfer data to and from another computer by transmitting
signals over telephone lines.
Option card
A circuit board you can install in the computer to provide
additional capabilities, such as a modem or an I/O port.
Parallel
An interface that transmits data simultaneously over separate
wires in a cable. See also Serial.
PCI
Peripheral Component Interconnect. A type of expansion design
standard that allows high-speed data transfer. Although it was
designed for current processors, PCI circuitry is not tied to the
requirements of a specific processor or family.
Glossary 5
