Key terms

1. Backup (or back-up) is a way of copying files to one or more places (independent of the normal file system) to avoid loss of data in case of a mass failure or system crash.
2. A graphical user interface (or GUI) is an interface that uses visual metaphors for certain objects, such as files and a desktop, instead of text. Graphical User Interfaces are now in widespread use as they are more visually appealing and can be used by many more people, because of the visual metaphors they employ.
3. One or more pieces of information that are grouped together and are the subject of a query.
The information that you put into a search of a database.
4. Query: An inquiry that retrieves specific data from a database.
5.Copyright
:Protection given to a person for their original work and the rights to determine to who can publish, reproduce, and distribute.
6.Baud
A unit of speed in data transmission equal to one bit per second. The Voltage or frequency changes that are made per second. Baud is not used as often anymore.
7. fuzzy logic A type of logic that allows conclusions to be stated as probabilities rather than certainties.

8. pattern recognition Identifying recurring patterns in input data with the goal of understanding or categorizing that input.
9. heuristic A rule of thumb.

10. command-line interface User interface that requires the user to type text commands on a command-line to communicate with the operating system.
11. uninterruptible power supply (UPS) A hardware device that protects computers from data loss during power failures.
12. electronic data interchange (EDI) A set of specifications for conducting basic business transactions over private networks.
13. mail merge A feature of a word processor or other program that enables it to merge names and addresses from a database mailing list into personalized form letters and mailings.
14. push technology Technology in which information is delivered automatically to a client computer. The user subscribes to a service and the server delivers that information periodically and unobtrusively. Contrast with pull technology.
15. database management system (DBMS) A program or system of programs that can manipulate data in a large collection of files (the database), cross-referencing between files as needed.
16. database A collection of information stored in an organized form in a computer.
17. data warehouse An integrated collection of corporate data stored in one location.
18. optical character recognition (OCR) Locating and identifying printed characters embedded in an image, allowing the text to be stored as an editable document. OCR can be performed by wand readers, pen scanners, and OCR software.
19. macro Custom-designed embedded procedure program that automates tasks in application programs.
20. fieldEach discrete chunk of information in a database record.
21. record In a database, the information relating to one person, product, or event.
22. sort Arrange records in alphabetic or numeric order based on values in one or more fields.
23. Feedback loop In a computer simulation, the user and the computer responding to data from each other.
24. expert systems (ES) Information systems or software programs designed to replicate the decision-making process of a human expert.
25. knowledge base A database that contains both facts and a system of rules for determining and changing the relationship among those facts.