Data Communication

2. ________ switching breaks messages into smaller units that travel to a destination along possibly different paths
4. An interface that enables two dissimilar networks to communicate
10. transmission of data as O and 1 bits
11. A communications medium consisting of wire strands twisted in sets of two and bound into a cable
14. A global "network of networks"
16. A collection of procedures to establish, maintain, and terminate transmissions between devices.
17. Data transmission in which each bit in a byte follows its own path simultaneously
18. The computer to computer counterpart for the postal service
19. Used by individuals to access news, weather, financial, travel, entertainment and shopping information
20. The process of transferring a file from a remote computer to a local computer over a network.

1. A device that interleaves the messages of several low-speed devices and sends them along a single, high-speed path
3. A local network without a host computer.
5. Transmission of data as continuous-wave patterns
6. used to convert signals between analog and digital enabling transmission over a phone line
7. A type of transmission in which messages may travel in two directions simultaneously.
8. Data transmission in which every bit in a byte must travel down the same path in succession
9. An electromagnetic wave in the high frequency rage
12. A network that spans a large geographic area
13. A computer that manages shared devices such as printers and hard disks
15. The difference between the highest and lowest frequencies that a transmission medium can accommodate