Epson Apex User Manual page 107

MS-DOS
An operating system from Microsoft. See DOS,
Operating system.
Operating system
A collection of programs that allow a computer to
control its operations. The operating system
determines how programs run on the computer and
supervises all input and output—for example,
MS-DOS.
Option card
A card installed inside the Apex main unit to provide
additional capabilities, such as a serial port.
Parallel
The type of interface which transmits data in groups of
bits. See also Interface and Serial.
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.
Program
A disk file that contains coded instructions and tells a
computer what to do and how to do it.
Prompt
A message you see on your monitor that requests you
to enter information.
Glossary
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