IPT Glossary C Flashcards
Cable Modem
A Modem used to connect to a broadband coaxial network.
Cache
A small amount of faster memory that is used to speed up access times to a larger and slower type of memory.
CCD
Charged Coupled Device
CCITT
International telegraph and telephone consultative committee. The organisation responsible for maintaining the rules for encoding fax transmissions.
CD-R
Recordable compact disk that can only be written to once.
CD-RW
Rewriteable Compact Disk
Cel-Based Animation
A sewuence of cels (images) with small changes between each cel. When played the illusion of movement is created.
Cell
The intersection of a row and a column within a spreadsheet.
Centralised Database
A single database under the control of a single DBMS. All users and client applications connect directly to the DBMS.
Centralised Processing
A single computer performing all processing for one or more users.
Certainty Factor
A value, usually in the range of 0 to 1, which describes the level of certainty in a fact or conclusion.
CHS
Cylinder, Head, Sector. A system for addressing each block on a hard disk.
Client-Server Architecture
Servers provide specific processing services for clients. Clients request a service and wait for a response while the server processes the request.
CMOS
Complementary Metal Oxide Semiconductor
CMTS
Cable Modern Termination System. The device that connects a number of cable modems to an ISP.
CMYK
Cyan, Magneta, Yellow and Key. Key refers to black ink. CMYK is a system for representing colour on paper, also known as four colour process.
Collecting
The information process that gathers data from the environment. It includes knowing what data is required, from where it will come and how it will be gathered.
Communication Management Plan
A project management tool that specifies how communication between all parties involved in a system’s development should take place.
Confidence Variable
An attribute whose value is determined mathematically by combining its assigned values. A measure of the confidence in a response or conclusion within an expert system.
Context Diagram
A systems modelling technique describing the data entering and leaving a system together with its source and sink.
Copyright
The sole legal right to produce or reproduce a literary, dramatic, musical or artistic work, now extended to include software.
Copyright Act 1968
A legal document used to protect the legal rights of authors of original works.
CPU
Central Processing Unit
CRT
Cathode Ray Tube
