Epson Equity II - Manual (Page 65)

Monochrome monitor
A monitor that displays in only one color, such as green or amber, as
opposed to a color monitor which can display in several colors.
Mouse
A device used (as an alternative to a keyboard) to control a pointer
on the screen and operate a program.
MS-DOS
An operating system from Microsoft. See DOS, Operating system.
Operating system
A collection of programs that allow a computer to control its opera-
tions. The operating system determines how programs run on the
computer and supervises all input and output. Examples: MS-DOS,
CP/M ® .
Option card
A card you install inside the Equity II main unit to provide additional
capabilities, such as a hard disk, a mouse, a modem, or another
monitor.
Parallel
The type of interface which transmits data in groups of bits. See
Interface and Serial.
Parity
A bit that indicates whether the number of Is in a word is even or
odd. When your computer uses parity checking, it adds an extra bit
to each word. This parity bit is
1
when the parity is odd and 0 when it
is even, or vice-versa, depending on the system. ASCII uses
7
bits for
data and
1
bit for parity. Parity checking is a method of error
detection.
Partition
To divide a hard disk drive into separate sections for use by different
operating systems.
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 con-
nect a peripheral.
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