| A | B |
| computer crime | Any illegal or unauthorized behavior in connection with computers and computer networks. |
| copyright | The moral and economic rights of those who produce scientific, literary or artistic works. |
| cyborg | A human with one or more mechanical or electronic devices implanted to enhance capabilities the human. |
| data compression | The coding of files to storage space or transmission time. |
| data | Numbers, codes, words or phrases without units. |
| CPU | Central processing unit. Also known as the main processing chip of a computer |
| database | The collection of related types of data in a single file, or set of files, for sorting, analysing and reporting |
| cookie | A transaction ID used between cooperating programs. They may be stored for use during a given session, for a set length of time or retained permanently. The information is stored with the browser on the client side; the information is automatically accessed and used by the browser in transactions |
| cps | Characters per second. Expresses the speed of transferring digital data. |
| cracker | Someone who attempts to gain unauthorized access to a computer system, often for malicious purposes. |
| database management system | A program that sorts, links and otherwise organizes and manages data in a database.(also assist in the analysis of data and the preparation of reports) |
| computer-user interface | The devices and software that enable people to use computers.(software and physical devices) |