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High-density
A type of format that allows you to store more data than on
single- or double-density diskettes. A
5’/-inch
high-density
diskette can store 1.2MB of data. A
3?4.-inch
high-density
diskette can store 1.44MB of data.
Input/output (l/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