Epson LT - 286e - Manual (Page 147)

Pathname
The list of directories the operating system must search through
to locate a file. For example, the pathname for a file named
CONTRACT.TXT that is located in the BUSINESS
subdirectory is \ BUSINESS \CONTRACT.TXT.
Peripheral
An external device, such as a printer or modem, connected to a
computer.
Port
An input/output connection on a computer to which you can
attach a peripheral.
Power-on diagnostics
A set of self-testing routines the computer performs
automatically every time you turn it on.
Program
A disk file that contains coded instructions telling the computer
what to do and how to do it.
Prompt
A message on the screen that requests information or tells you
the action you need to perform next.
R A M
Random Access Memory. The portion of the computer’s
memory that runs programs and temporarily stores data while
you work. All data stored in RAM is erased when you turn off
the computer, so you must store any data you want to save on a
diskette or hard disk.
16 Glossary