Epson 2000 - Manual (Page 122)

Glossary
486SLC2-50
A processor chip specifically designed for high-performance
systems. The chip is fully compatible with the i486 instruction
set, and includes a 1KB instruction/ data cache.
A batch file that MS-DOS executes automatically each time you
turn on or reset the computer.
BIOS
Basic Input/ Output System. Routines in ROM that handle the
basic input/ output functions of the operating system.
Cache
A high-speed memory buffer that stores frequently used data
where your microprocessor can access it faster. Your computer
includes 1KB of internal cache.
CONFIG.SYS file
A special system file that MS-DOS executes each time you turn
on or reset the computer. You use this file to customize your
system by installing device drivers, setting limits for files and
buffers, and specifying MS-DOS commands to be run during
startup.
Coprocessor
An optional integrated circuit (chip) that assists the CPU in
performing certain numeric calculations faster.
Glossary 1