Epson Equity 286 PLUS - Manual (Page 248)

High-density
A type of format that allows you to store more data than on
single- or double-density diskettes. A 51/4-inch high-density
diskette can store 1.2MB of data. A 3 1/2-inch high-density
diskette can store 1.44MB of data.
Input/output (I/O) port
See Port.
Interface
A physical or software connection used to transmit data between
equipment or programs.
Jumper
A small device that connects two pins on an option card, a disk
drive, or the main system board to activate a particular function.
Key disk
A diskette containing a copy-protected program that must
remain in the diskette drive while you are using the program.
Kilobyte (KB)
A unit used to measure storage space in a computer’s memory or
on a disk. One kilobyte equals 1024 bytes.
LIM 4.0 EMS
Version 4.0 of the Lotus/Intel/Microsoft Expanded Memory
Specification-a protocol that allows certain application
programs to use memory that MS-DOS cannot use.
Main system board
The board built into your computer containing the circuitry the
computer requires to operate.
Glossary 9