Epson 20 - Manual (Page 203)

Partition
The area defined on a hard disk for use by an operating system;
to divide a hard disk into separate sections or logical drives.
Pathname
The list of directories and subdirectories you need to specify to
locate a file. For example, the pathname for the file SALES which
is located in the subdirectory BUSINESS of the root directory (\)
is \BUSINESS\SALES.
Peripheral
A device (such as a printer or a modem) connected to a computer
that depends on the computer for its operation.
Port
A physical input/output socket on a computer where you can
connect a peripheral device.
Power-on diagnostics
The system tests the computer runs to check its internal circuitry
and configuration each time you turn it on.
Primary partition
The MS-DOS partition from which the operating system starts.
Program
A disk file that contains coded instructions and tells a computer
what to do and how to do it.
Prompt
A message displayed on the computer screen that tells you what
action you need to perform next.
Random Access Memory. The portion of the computer’s memory
used to run programs and store 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 keep on a diskette or hard disk.
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12 Glossary