GLOSSARY OF TERMS
Central Processing Unit:
- Abbreviated as "CPU", it is the primary computer chip
that carries out data manipulation and controls the
sequence of operations performed by the computer.
- Color Graphics Adapter. A low resolution color
video format. Originally, it referred to the actual circuit
card that enabled the computer to process and display
colors on a CGA-capable monitor. The maximum number of
colours on this system was 16.
- A single letter, number, symbol, punctuation mark or
- An integrated circuit etched onto a silicon wafer. Each
chip contains logic elements that perform specific tasks
- A flat panel with computer chips and support electronic
devices mounted on to it. Thnis may refer to the mother
(main) board and also to boards that are added to computers
for adding new functions.
- Common Business Oriented Language. Pronouced
"coh-boll". It is a computer programming language that
was released in 1964 that was typically used for business
- A system start-up initiated by turning on the power
switch. All circuit boards and peripherals are reset.
- A file extension denoting a command file. Command files
are one type that can execute computer code.
- Communications Program. A software program used with a
modem to send and receive data over the telephone lines,
or a wired or wireless network.
- This allows the user to obtain information that relates
directly to the task at hand or its available options. As
an example, for programs that offer this type of help, one
typically presses F1 or clicks `Help' within a given screen
to get assistence on that screen or for a selected menu
- This refers usually to a hardware device that serves as
a control interface between two or more other hardware
devices such as disc drives. Some controllers will
accomodate more than one similar device, while others
will accomodate dissimilar devices.
- A software program that includes a requirement to run
it from its original disk to prevent copies of that
disc from being used.
- Cathode Ray Tube. This is the style of image
display device seen inside most monitors. It is now being
supplanted by LCD and other styles of flat panel
- Your present location on the drive.
- The position indicator on a monitor. Usually a line,
rectangle, or a square, or a pointer or `I'. It shows where
the next character typed will appear on the computer screen,
or the next item that will be executed if clicked with a
Advance to: Glossary Terms `D'
Revert to: Glossary Terms `B'
Return to the: Glossary Main Page