Epson 500 Series 4. Glossary, MHz, Math coprocessor, Local bus, Memory module, Light Emmitting Diode. An indicator light such as those used for the

LEDLight Emmitting Diode. An indicator light such as those used for the

Action Note power, disk drives, and keyboard settings.

Local bus

An internal group of wires that sends information from the microprocessor to the video controller in the ActionNote. Local bus video provides increased performance.

Math coprocessor

SeeCoprocessor.

MB

Megabyte. A unit used to measure storage space in a computer'smemory or on a disk. One megabyte equals l,048, 576 bytes or 1024KB.

Memory module

An optional card that adds 4MB of extended memory to your computer. (Also called an extension memory module.)

MHz

Megahertz. A unit used to measure the oscillation frequenty of a

Computer's internal timing clock. One megahertz is one million cycles

per second.

Microprocessor

A CPU chip, such as the 486SLC. See also CPU.

Modern

MOdulator / DEModulator. A serial device that allows the computer to send and received data over the telephone lines.

4. Glossary