A
Windows File Type. Short for
Cabinet
A normal
file that contains pieces of one or more files, usually compressed. Designed such that one
cab file would fill a
diskette. Cab files are used to
install application programs from a number of diskettes.
A Cache
Memory is a small but very fast memory used to store frequently used
Data or instructions. It tries to "guess" what data is going to be needed next by the
Processor. The Cache can be: Level 1 (Primary) Cache - part of the processor itself - fast & expensive; Level 2 (Secondary) Cache - Mounted on the
Motherboard slower than Level 1
Computer Aided Design
A removable container that contains some sort of magnetic disk or optical disk which can be inserted into a slot in a PC, printer or other piece of
hardware. Examples include: Ink Cartridge; Tape Cartridge; Printer ribbon cartridge; Printer Toner Cartridge.
(CSS1) A mechanism that allows authors and readers to attach the same style (e.g.
fonts, colors and spacing) to multiple
HTML documents. The CSS1 language is human readable and writable, and expresses style in common desktop publishing terminology. One of the fundamental features of CSS1 is that style sheets cascade; authors can attach a preferred style sheet, while the reader may have a personal style sheet to adjust for human or technological handicaps.
Software that is case insensitive can "tell" a difference between upper- and lowercase letters. For example,
case sensitive software recognizes "pepperjack" and "PEPPERJACK" to be two different words. Case insensitive software does not.
Software that is case sensitive cannot "tell" a difference between upper- and lowercase letters. For example, case sensitive software recognizes "pepperjack" and "PEPPERJACK" to be the same words. Case sensitive software does that.
The
basic device which drives the television screen and the PC
monitor.
Compact Disk - Read only Media
A CD-ROM Drive is required to enable the PC to read CD-ROM's. The power of the CD-ROM Drive is determined by its speed.
Refers to the
Microprocessor & the
Memory of the PC.
Color Graphics Adaptor
Common Gateway Interface Scripts are used by
Internet Programmers to perform
basic functions such as counting the number of times a
Web Page is accessed
Common Gateway Interface
The most common name of a
directory on a
Web server in which CGI-scripts are stored.
CGI Binary script; a server-side
program that accomplishes a task that cannot be done using
HTML. A means of extending the usefulness and versatility of the
Web.
Online interactive communication on the
Web. You can "talk" in real time with other people in the "chat room", but the words are typed instead of spoken.
A facility available to users of
IRC (
Internet Relay
Chat). Users can talk to each other on the Internet by typing their messages via the keyboard. They would use a chat room to take part in an
online discussion on a particular subject
A selection option within a form. A checkbox allows a reader to select one or more options
In advertising a "click" is used to mean a request for a
page that contains an ad. Sometimes, a click is more narrowly defined as "a click on an ad". The click rate is the number of clicks (on an ad) as a percentage of the number of times that the ad was downloaded with a page: a click rate of 2% means that 2% of the people who downloaded the page clicked on the ad.
Client-
Server distributes the processing of a Computer Application between 2 computers the Client & the Server - the principal being to exploit the power of each. The Client is normally a PC. The
Application Program will access
Data & perform processing on the Server & using the data obtained via the server more processing tasks will be performed on the Client. The Application can be used by more than one user.
The clipboard is a special area of
memory used to hold information that is to be copied or
cut from one
location to be placed in another location. This could be a few paragraphs from a word document, a
file or even a
directory. The clipboard holds this information between the
copy and the
paste operations
A library of pictures, photographs or
images that can be used in any of your documents & presentations.
The speed at which the PC works measured in
Megahertz
Complimentary Metal-Oxide Semiconductor
Video Adaptor introduced by IBM in 1981. A
CGA Monitor can display 640 X 200
pixels using 2 different colors or 320 X 200 pixels using 4 colors.
A standard that determines how a
web server will gather information from viewers of a web
page. Typical information may be names, adresses, on-line ordering of products and what clients will be ordering and paying.
Can contain vast amounts of information (over 600Mb) which is accessible via a PC providing it contains a CD-ROM Drive. As the name suggests you can only read information from a CD-ROM.
When writing a computer
program, the instructions are entered into a text
file in the same way that information is keyed into a word
processor document. The compile activity validates the instructions entered into this
text file & converts them into instructions that the
operating system can understand. The programmer initiates the compile by entering a command.
A type of
memory that uses a tiny amount of electricity from a battery to remember
data and when fully powered works like
RAM; type of memory chips used in portable, battery powered computers and in desktop computers to store the
BIOS setup where the information is stored even when the PC is switched off
A technique used to considerably reduce the size of a
file without losing any of the original information. The compression
process alters the content of the file but this can & is completely recovered by reversing the process.
Application programs & PC's used to
design large plans, blueprints & technical drawings - used for engineering & scientific projects
1 of up to 4 serial ports on your PC - normally used for a
mouse or a
modem
A condition in (part of) a
network when the
data traffic is so heavy that it slows down the response time of the network.
A
file that is written to your
Hard Disk when you access certain
Web Pages. The file contains certain information, often information that you entered when you displayed the page. The next time you access this page a check is done to see if the Cookie exists. The information within the cookie allows temporary storage of your choices and preferences. For more information, see
http://contentor.net/index/help/cookies.
To duplicate
files, text,
images,
data etc & reproduce it elsewhere - in another document for example.
A
cgi program that allows you to keep track of the number of people who have accessed your
site.
Central Processing Unit.
Cathode Ray Tube
A flashing rectangle or line on the screen that shows exactly where you are working. For example, when using a Word
Processor the cursor indicates the point at which the characters being typed will be inserted. If you continually swear at your PC because it will not do want you want it to, those within earshot may well accuse you of being a cursor.
This is where we remove a section of a document to enable it to be inserted (or pasted) into another document.
Just like when we were in Kindergarten - only using the PC instead of scissors and glue. This allows us to remove sections from one document (
cut) & place them in another document (
paste).