Epson EQUITY 3865X/20 PLUS - Manual (Page 249)

Interleave factor
The number of physical sectors on a disk drive that the
computer skips when reading consecutive logical sectors the
same track. An interleave factor of 1:1 indicates that the data is
stored on the drive in adjacent sectors. Larger ratios indicate
that the data is not stored sequentially.
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 that
the computer requires to operate.
Math coprocessor
An optional device that enables the computer to process certain
mathematical calculations faster.