Technology / Computers Glossary

Cyberpunk: The term Cyberpunk could be used to describe an individual that hacks their way in to computer system with the intent of stealing or destroying the information in the system. It term was act . . . View Full Definition

Cyberspace: Author William Gibson in his novel Neuromancer describes a more highly developed form of the Internet and who originally coined the term Cyberspace. The word Cyberspace is currently used to . . . View Full Definition

Daemon: This refers to a program that is designed to run continuously in the background and is activated by a particular event. Examples of Daemons are: mail server daemons, web server daemons or pr . . . View Full Definition

Daisy Chain: A hardware configuration in which devices are connected one to another in a series. The SCSI interface , for example, supports a daisy chain of up to 7 devices.

Data: This refers to the information that is stored on a computer system.

Data Bus: Data Buses are used on a systems motherboard and contain a group of parallel conductors also known as circuit traces. Data Buses are used by the CPU to transmit and receive data from all con . . . View Full Definition

Data Communications: The moving or sharing of encoded information between two or more data sources using an electronic medium.

Data Conversion: Refers to translating data from one format to another. It is most commonly used to reformat data that is being transferred from one system to another so that the receiving system can interpr . . . View Full Definition

Data Mining: Sorting through data to identify patterns and establish relationships. Data mining parameters include Association - looking for patterns where one event is connected to another event., Seque . . . View Full Definition

Data Over Cable Service Interface Specification (DOCSIS): This is a cable modem standard that was developed by CableLabs. It handles the incoming and outgoing data signals between cable TV networks, personal computers or television sets.

Data Rate: A speed measurement that calculates how fast information is moved from one place to another. This is usually measured in bits.

Data Striping: A method of separating data from one disk drive and distributing it across several hard disks. The benefits of Data Striping are When a processor is capable of reading or writing faster than . . . View Full Definition

Database: Anything that accepts data is a database. A pile of newspapers is a database. A computer database has the ability to manipulate that data. It is possible to attach applications to that datab . . . View Full Definition

Daughter Card: Often called Daughter Board. it is a printed circuit board that plugs into another circuit board (usually the motherboard). A daughter card is similar to an expansion board, but it accesses . . . View Full Definition

DECnet: A proprietary set of networking protocols developed by the Digital Equipment Corporation. It was the first peer-to-peer networking architectures to emerge in the 1980's.

Decoder: A software, hardware or circuit that is designed to translate a coded or scrambled signal in to a readable form. A common use for this is by cable companies that scramble a signal until a su . . . View Full Definition

Decryption: This is a process of converting information in to a readable form that has been encrypted by the use of an encryption algorithm. A common use could be that a person would like to protect sen . . . View Full Definition

Dedicated Line: This refers to a phone line that is a phone line that is connected for one purpose. Many computer users use a dedicated line specifically for their computer system.

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