IBM RT User's Setup Manual page 392

A printed circuit card that
adapter.
changes the operation of a computer.
(1) A name, label, or number
address.
identifying a location in storage, a device
in a network, or any other data source.
(2) A number that identifies the location
of data in memory.
all points addressable (APA) display.
A display that allows each pel (picture
element) to be individually addressed. An
APA display allows for images other than
ASCII characters to be displayed.
American National Standard Code for
Information Exchange (ASCII).
code developed by ANSI for information
interchange among data processing
systems, data communication systems, and
associated equipment. The ASCII
character set consists of 7-bit control
characters and symbolic characters.
All points addressable.
APA.
ASCII. See
American National Standard
Code for Information Exchange.
asynchronous transmission.
communications, a method of transmission
in which the bits included in a character
or block of characters occur during a
specific time interval. However, the start
of each character or block of characters
can occur at any time during this interval.
byte.
represent one character; a byte is 8 bits.
color display.
of displaying more than two colors and the
shades produced via the two colors, as
opposed to a monochrome display.
component.
capacitors, resistors, jumpers, and other
electronics parts on a printed circuit card.
computer.
The
mathematical computations and logical
operations without human intervention
during the actual processing.
connector.
remote controller to which cables for
display stations, printers, and other
devices are attached. The word connector
is used instead of jack and plug in this
book.
decimal.
numbers to the base ten; decimal digits
In data
range from 0 through 9.
diagram.
something works or is arranged, rather
than showing its appearance.
Glossary
The amount of storage required to
A display device capable
The modules, diodes,
A functional unit that can do
A part of the system unit or
Pertaining to a system of
A drawing that explains how
Glossary
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