lesson 24 vocab

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Across
  1. 3. a device that uses coaxial cable to send and receive data
  2. 7. link from one computer to another through which data can be transmitted
  3. 9. a recent wireless technology that can deliver maximum speed up to 7 Mbps to your cell phone , home , computer , or car
  4. 11. a computer that handles requests for data, emails, file transfers from other computers
  5. 12. area network a series of connected personal computers , workstations , and other devices within a confined space .
  6. 14. high end programs designed to provide network control and include special functions for connecting computers and other devices into a network .
  7. 19. an ISP that provides connection speeds more than 30 speeds faster than dial up connections- from 384 Kbps to 2.0 Mbps
  8. 20. an internet connection technology that provides for the transfer of info to a computer at a high speed bandwidth over ordinary copper telephone lines
  9. 21. a device on a network
  10. 22. a server that acts as an intermediary between a user and the internet
  11. 23. a computer that uses the services another program
  12. 24. communications hardware device that facilitates the transmission of data
  13. 25. computer network that covers large geographical area; most are made up of LANS
  14. 26. a device that directs traffic on a network by divide into data into smaller packets that travel by different routes and then are resembled at their destination
Down
  1. 1. people who break into computer systems to steal services and info .
  2. 2. a technique or device that examines a fingerprint , voice pattern , or iris/retina of the eye
  3. 4. collection of interconnected commercial and government owned , voice oriented systems
  4. 5. a junction where info arrives from connected computers or peripheral devices and is then forwarded in one or more directions to other devices
  5. 6. a network designed for the exclusive use of computer users within an organization that cannot be accessed by users outside the organization
  6. 8. the largest network used as a communication tool
  7. 10. computer architecture in which all of the computers on a network are equal and there is no computer designated as the server
  8. 13. computer configuration in which one or more computers on the network acts as a server
  9. 15. a network configuration that allows selected outside organizations to access internal info systems
  10. 16. a variety of a LAN that uses no physical wires
  11. 17. a type of fiber optic telephone line that can transmit up to 1.544 megabits per second or can be used to transmit 24 voice channels
  12. 18. a combo of hardware/ software that creates a buffer between an internal network and the internet to prevent unauthorized access