lesson 24 vocab
Across
- 4. a variation of a lan that uses no physical wires
- 6. an internet connection technology that provides for the transfer of information to a computer at a high speed bandwidth over ordinary copper telephone lines
- 8. computer network that covers a large geographical area
- 10. computer configuration in which one or more computers the network acts as a server
- 12. a junction where information arrives form connected computers or peripheral devices an dis then forwarded in one or more directions to other comuters and devices
- 16. examines a fingerprint, a voice pattern, or the iris or retina of the eye
- 19. a device that directs traffic ona network buy dividing data into smaller packets that travel by different routes and then are reassembled at their destination
- 20. the largest network used as a communication tool
- 22. th worlds collection of interconnected commercial and government owned voice oriented systems
- 24. a combination of hardware and software that creates a buffer between an internal network and the internet to prevent unauthorized access
- 26. computer architecture in which all of the computers on a network are equal and there is no computer designated as the server
Down
- 1. a device that uses coaxial cable to send and receive data
- 2. an isp that provides connecttion speeds more than 30 times faster than dial-up connections
- 3. high end programs designed to provide network controll and include spacial functions for connecting computers and other devices into a network
- 5. a recent wireless technology that can deliver maximum speeds of up to 7 Mbps to your cell phone, home computer, or car
- 7. link from one computer to another through which data can be transmitted
- 9. expert computer user who invades someone else's computer either for personal gain or simply for the satisfaction of being able to do it
- 11. a device on the network
- 13. a network designed for the exclusive use of computer users within an organization that can not be accsessed by users outside the organization
- 14. a series of connected personal computers, workstations, and other devices, such as printers or scanners within a confined space such as an office building
- 15. a server that acts as an intermediary between a user and the internet
- 17. a computer that handles requests for data, email, file transfers, and other network services from other computers
- 18. a computer that uses the services of another program
- 21. 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
- 23. a network configuration that allows selected outside organizations to access internal information systems
- 25. communications hardware device that facilitates the transmission of data