| A | B |
|---|
| Biometric Security Measures | A technique or device that examines a fingerprint, voice pattern, or iris or retrina of the eye. |
| Cable Modem | A device that uses coaxial cable to send and receive data. |
| Client | A computer that uses the services of another program. |
| Client/Server Network | Computer configuration in which one or more computer on the network acts as a server. |
| Communication Channels | Link from one computer to another through which data can be transmitted. |
| Digital Subscriber Line (DSL) | An internet connection technology that provides for the transfer of information to a computer at a high speed bandwidth over ordinary copper telephone lines. |
| Extranet | A network configuration that allows selected outside organizations to access internal information systems. |
| Firewall | A combination of hardware and software that creates a buffer between an internal network and the Internet to prevent unauthorized access. |
| Hacker | Expert computer user who invades someone else's computer either for personal gain or simply for the satisfaction of being able to do it, |
| Hub | A junction where information arrives from connected computers or peripheral devices and is then forwarded in one or more directions to other computers and devices. |
| Internet | The largest network used as a communication tool. |
| Intranet | A network designed for the exclusive use of computer users within an organization that cannot be accessed by users outside of the organization. |
| Local Area Network | A series of connected personal computers, workstations, and other devices, such as printers or scanners within a confined space, such as an office building or classroom. |
| Modem | Communication hardware device that facilities the transmission of data |
