Lesson 24 vocabulary

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Across
  1. 2. expert computer user who invades someon else's computer either for personal gain or simply for the satisfaction of being able to do it
  2. 5. a device that directs traffic on a network by dividing data into smller packets that travel by different routes and then are reassembled at their destination
  3. 6. an ISP that provides connection speeds more than 30 times faster than dial-up connections-- from 38 Kbps to 2.0 Mbps
  4. 7. can examine a fingerprint, a voice, pattern, or the iris of the eye
  5. 8. link from one computer to another through which data can be transmitted
  6. 9. communications hardware device that facilitates the transmissio of data
  7. 10. a server that acts as an intermediary between a user and the internet
  8. 13. an internet connection technology that provides for transfer of inofrmation to a computer at a high-speed bandwidth over ordinary copper telephone lines.
  9. 14. a computer that handles requests for data, e-mail, file transfers, and other network services from other computers(clients)
  10. 17. high-end programs designed to provide network control and include special functions for connecting computers and other devices into a network.
  11. 19. a network desgined for the exclusive use of computer users within a organization that cannoit be accesssed by users outisde the organization.
  12. 20. a device on the network
  13. 21. computer network that covers a large geographical area. Most WANs are made up of several connected LANs
  14. 22. computer architecture in which all of the computers on a network are equal and there is no computer designated as the server
  15. 24. a network configuration that allows selected ourside organizations to access internal information systems
Down
  1. 1. computer configuration in which one or more computers on the network acts as a server
  2. 2. a junction where information arrives from connected computers or pheripleral devices and is then forwarded in one or more directions to toher computers and devices.
  3. 3. the worlds collection of interconnected commercial and goverment-owned voice-oriented systems
  4. 4. a computer that uses the services of another program
  5. 11. a variation of a LAN that uses no physical wires.
  6. 12. a combination of hardware and software that creates a buffer between an internal newtwork and the internet to prevent unauthorized access.
  7. 15. a device that uses coaxial cable to send and recieve data
  8. 16. a series of connected personal computers, workstations, and other devices, such as printers or scanners, within a confined soace, such as an office building
  9. 18. the largest network used as a communication tool
  10. 23. a type of fiber-optic telephone line that can transmit up to 1.544 megabits per second or can be used to transmit 24 digitized voice channels.