lesson 24
Across
- 3. a device that uses a coaxial cable to send and recieve data
- 8. an expert computer user whoinvades someone elses computer for personal gain or for the satisfaction of doing it
- 10. a type of fiber optic telephone line that can transmitup to 1.544 megabits persecond or can be used to transmitt 24 digitalized voice chanels
- 11. communications hardware device that facilitates the treansmission of data
- 12. the largest network used as a communication tool
- 15. A combination of hardware and software that creates a buffer between a internal network and an external network
- 17. an ISPthat provides connection speeds up to 30 times faster than dial-up connections
- 18. a junction where information arives from connected computers or periferial devices and it is forwarded in one or more directions to other computers and devices
- 20. computer network that covers a large geographical area. most wans are made up of several connected lans
- 22. A computer that handles requests of data, email, file transfers, and other network services
- 23. a network configuration that allows selected outside organizations to acess internal information systems
- 24. a device that directs traffic on a network by dividing data into smaller packets that travel by different routes and then are reassembled at their destination
- 25. a software program
Down
- 1. the worlds collection of inner connected commercial and government owned voice-oreintated systems
- 2. a recent wireless connection that can deliver minimum speeds of 7mbps to your phone
- 4. A series of connected personal computers,workstations and other devices, such as printers or scanners within a confined space such as an office space
- 5. computer archetecture in which to all of the computers on a network are equal and there is no computer designated as the server
- 6. link from one computer to another through data that can be transmitted
- 7. examine a finger print, a voice pattern or the retina of the eye
- 9. the archatectual model relationship
- 13. High-end programs designed to provide network control and include special functions for connectin gcomputers and other devices in a network
- 14. a variation of lan that uses no physicall wires
- 16. a network designed for the exclusive use of computer users within an organization that cannot be accessedby users outside the organization
- 19. a server that acts as a intermeditery between the user and the internet
- 21. a device on the network