Epson EQUITY 386/33 PLUS - Manual (Page 174)

Automatic speed
The feature that enables the computer to switch automatically
from fast speed (33 MHz) to slow speed (11 MHz) when
accessing a diskette drive.
Backup
An extra copy of a program, data file, or disk, that is created in
the event your working copy is damaged or lost.
Base memory
The memory in the computer below 1MB that is available to
MS-DOS and application programsusually 640KB. Also
called conventional memory or main memory.
Batch file
A type of file that lets you execute a series of MS-DOS
commands by typing one command. Batch files are text files
with the filename extension .BAT. When you type the filename,
MS-DOS executes all the commands in that file sequentially.
BIOS
Basic Input/Output System. Routines in ROM (Read Only
Memory) that handle basic input/output functions of the
operating system and the video controller.
Bit
A binary digit (0 or 1). The smallest unit of computer storage.
The value of a bit represents the presence (1) or absence (0) of
an electric charge.
To load the operating system into the computer’s memory.
2 Glossary