| bit depth |
The number of bits devoted to each pixel For example, 256 colours requires 8 bits. |
| certainty factors |
A means by which an expert system deals with partial or uncertain information. They are usually built in by the knowledge engineer or entered by the user when using the system. A certainty factor of 1 means the expert or user is completely certain of the information, while a certainty factor of 0 means they are completely uncertain or have ‘no opinion’ on the certainty of the information. |
| CNC lath |
Computer Numerically Controlled lath. |
| Damping |
The process of modifying the magnitude of the response of a system that is controlled by a computer. |
| data mining |
The use of data analysis tools to try to find the patterns in large transaction databases. |
| data warehouse |
Hardware and software that extracts data from a transaction database and stores it separately for analysis and archival purposes rather than transaction processing. |
| display |
Used in a broad sense to include all output from an information system. Includes not only printed and video output, but also audio output and electronic signals that control a device. |
| end user(s) |
Those people in the organisation who are the real users running application programs, generating reports and so on, to help them do their jobs. |
| entity |
A specific thing about which an information system collects information. |
| flash memo |
A semiconductor device that stores and modifies data while the computer is operating, but that also retains data when the computer is turned off. |
| grandfather, father, son |
A backup procedure that enables generations of backups where the most recent backup is the son, the second last is the father, and the oldest is the grandfather. When the next backup is due, the grandfather media will be used becoming the new son. |
| guided processes |
Features in software that assist the user complete a task, such as wizards and the like. |
| head-up displays |
Specialised displays originally developed for military applications. They have been used in some automobiles to project auto control panel information in front of the driver instead of forcing the driver to look down. |
| including |
All items in the list should be covered. Additional items may be added. |
| intelligent agent |
An autonomous, goal-directed computerized process launched into a computer system or network to perform work while other processes are continuing. |
| metadata |
Information defining data in the information system. |
| methodical |
Performing a task in a systematic way. |
| namely |
Only listed items should be covered. No other items should be added. |
| such as |
Items in the list are only examples, they need not be the ones covered in a teaching program. |
| Teleconferencing |
The use of electronic transmission to permit same-time, different-place meetings. |
| view |
The restricted portion of the database, visible to the user, allowing them to complete a task that requires access to the database. |
