Lesson 24 Vocabulary

5. examine a fingerprint, voice pattern, or iris/retina of an eye
10. combination of hardware and software that creates a buffer to prevent unauthorized access
11. the wrold's collection of interconnected commercial and government owned voice-oriented systems
19. a device that uses coaxiable cable to send and receive data
21. network that covers a large geographical area
23. provides for the transfer of information to a computer at a high-speed bandwidth over telephone lines
24. wireless technology that can deliver maximum speeds of up to 7 Mbps to a cell phone, computer, or car
25. a device that divides data into smaller packets that travel by different routes and reassemble at their destination

1. link from one computer to another through which data can be transmitted
2. programs designed to provide network control and include special functions for connecting devices in a network
3. an ISP that provides connection speeds more than 30 times faster than dial-up connections
4. a junction where information arrives then is forwarded in one or more direction to other devices
6. network for exclusive use of users within an organization only
7. hardware device that facilitates the transmission of data
8. a computer that handles requests for network services from other computers
9. all computers on a network are equal and there is no designated server
11. a server that acts as an intermediary between a user and the Internet
12. series of personal devices connected within a confined space
13. a computer that uses the services of another program
14. a variation of land that uses no physical wires
15. allows selected outside organizations to access internal information systems
16. expert computer user who invades someone else's computer
17. a device on the network
18. one or more computers on the network acts as a server
20. largest network used as a communication tool
22. a type of fiber-optic telephone line that can transmit up to 1.544 megabits per second or 24 digitized voice channels