Epson LT - 286e - Manual (Page 149)

RS-232C
A standard serial interface. You can easily connect an
RS-232C-compatible device to your Equity LT-286e.
Sector
A contiguous section of a disk track that provides a location at
which the computer can access data.
Self test
A diagnostic procedure the computer performs automatically
when you turn it on.
Serial
A type of interface in which data is transmitted one bit at a
time (as distinguished from parallel, a type of interface in which
data bits are transmitted in groups).
Shell
An MS-DOS program that lets you run programs and perform
operating system commands from menus.
Slide Switch
A switch on the bottom of the LT-286e that controls certain
operational features.
Software
The programs that enable the computer to perform the tasks
and functions you indicate.
Source diskette
The diskette from which you are copying files, as opposed to the
target diskette (the diskette to which you are copying files).
18 Glossary