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- C, C+, C++
- programming language
originally created for writing system software. C
has evolved into C+ and C++. All three are widely
used by programming professionals for all sorts of
programs
- capacity (disk)
- amount of data that can be
stored
- cathode ray tube (CRT)
- device which displays
computer output. From the physical mechanism used
for the screen.
-
CD-R
- recordable compact disk. Disk can be written to by a
user with the proper kind of CD drive. Cannot be erased to be
written on again. Once time write only!
- CD-ROM
- Compact Disk-Read Only
Memory. The most common size of optical disk. Laser
used to read bumps on disk as 0 or 1 for digital
data. Made from mold of original disk in a factory.
Data can only be read, not written.
- CD-RW
- rewritable CD disk. User
can save data to the disk, erase data, write new
data to the same disk. Made of different materials
than CD-ROM or CD-R disks.
-
cel
- A single image in an animation sequence
-
- cell
- intersection of row and column in a table
or on a spreadsheet.
- CGA
- Color Graphics Adapter, an
old video type with maximum 320 x 200 resolution
- chain printer
- Uses characters on a chain
that is moved into place before striking the
characters onto the paper.
-
chart
- a graphical representation
of data
-
chat
- IRC = Internet Relay Chat - a
program that lets you exchange messages with other
people who are online. Everyone in a particular
conversation can read all the messages.
-
- client server
- a server which processes a
request and returns the results to the requesting
computer
- clip art
- pre-drawn pictures to add to
documents
- clipboard
- a section of computer
memory used to temporarily hold data that has been
cut or copied for transfer to another document or
location within a document. The clipboard can only
hold one thing at a time
- cluster
- a set of track sectors
which is the minimum space used by a read or write.
- CMYK color system
- Cyan, Magenta, Yellow,
and Black. These ink colors are all that are needed to
create all the printed colors.
- coaxial cable
- round insulated wire with
single wire in center. Tightens down with collar.
- COBOL
- Common Business Oriented
Language Written about 1960 with business
applications in mind. It has a very English-like
structure, using sentences and paragraphs.
- cold boot
- computer is shut down
completely, hard disk stops spinning, several
seconds elapse at least before a restart is
attempted.
- columns
- columns of text side by
side, as in a newspaper
- command language interpreter
- program that translates
your keystrokes into the 0's and 1's that the
processor understands.
- command.com
- the name of the command
language interpreter in DOS and Win95
- commands
- special codes or keywords
that tell the computer to perform a task, like RUN
"SALES"
-
communications
- programs that temporarily
connect computers to each other to exchange
information.
- communications channel
- is the path that the data
follows as it is transmitted from one computer to
another. Also called a communications line or link,
- communications link
- see communications channel
- communications line
- see communications channel
- compiler
- rewrites the program into
machine language that the CPU can understand. The
program is then saved.
- computer
- an electronic device that executes the
instructions in a program. A computer has four
functions: inputs data,
processes data, produces output, and stores results
- computer output microfilm (COM)
- device that generates
microfilm direct from the computer
- computer language
- language with which we can
communicate with the computer
- conditioning
- smoothes out variations in
power by pumping up the voltage when it drops and
stepping it down when it's too high
- config.sys
- a file that the computer
uses to learn what devices are connected to the
computer and where the drivers for them are. DOS and
Win95
-
contact manager
- an advanced kind of Personal Information Manager
which allows you to keep track of when you had a
conversation or a meeting with someone and what was
done or said.
- context-sensitive
- what happens depends on
exactly what is going on at the moment, or exactly
where the cursor is. A right click in Win95 will
open up a context-sensitive menu, which has
different options depending on where the mouse is.
- continuous speech recognition
- a voice input system in
which the speaker may use normal conversational
flow.
- continuous-form paper
- paper for track-feed
printers. Must be separated at perforations.
- control unit
- part of the CPU that
controls the Machine Cycle
- controller card
- See expansion card.
Especially one used to control a drive
- copy
- duplicate selection onto
Clipboard
- core
- memory device consisting of
small metal rings. Magnets tip a ring to left or
right, which represents on and off. Relatively slow
- cps
- characters per second.
Measures printer speed.
- CPU
- Central Processing Unit.
Composed of Control Unit and Arithmetic/Logic Unit.
- CPU utilization
- measures the time the CPU
is working and idle
- create (document)
- start a new document
- crippleware
- shareware which has
important function disabled
- cursor
- symbol marking where text
will appear when you type
- cut
- remove selection from
document and store temporarily on the Clipboard,
which is a section of computer memory.
- cylinder
- a set of matched tracks
from storage disk surfaces.
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