![background image](http://html.mh-extra.com/html/epson/20020-20040/20020-20040_user-manual_107027235.webp)
Input/output (I/O) port
See Port.
Interface
A physical or software connection used to transmit data
between equipment or programs.
Internal command
An MS-DOS command that is stored in the command
processor of the operating system; it is not a separate program
file. This means that you can execute an internal command
without specifying a pathname. Examples include COPY, DEL,
RENAME, and DIR. Unlike external commands, internal
commands can be executed from any drive or directory.
Jumper
A small device that fits over two small pins on a circuit board
to activate a particular function.
Keyboard
A device resembling a typewriter keyboard to enter letters and
numbers to the computer.
Kilobyte (KB)
A unit used to measure storage space in a computer’s memory
or on a disk. One kilobyte equals 1024 bytes.
Logical disk drive
A subdivision of a physical disk drive, treated by MS-DOS as
though it were a separate physical component of the computer.
A physical disk drive may be divided into several logical drives.
G l o s s a r y 9
Summary of Contents for 20020, 20040
Page 1: ......
Page 3: ...PLACE STAMP HERE EPSON America Inc 2780 Lomita Blvd Torrance CA 90505 M S 4 1 Fold Here ...
Page 4: ......
Page 14: ......
Page 18: ......
Page 40: ......
Page 52: ......
Page 72: ......
Page 158: ......
Page 164: ......
Page 224: ......
Page 226: ......
Page 244: ......
Page 250: ...Write protecting diskettes 3 14 15 X XCOPY 4 29 XTREE 4 37 41 ...
Page 251: ......