Data Communications and Networking

Data Communications and Networking - Chapter 5 Data...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Chapter 5 Data Communications and Networ king Objective What communication is, and why roles of sender and receiver important What a communication channel is, and how it permits electronic communication What a network is, and what network configurations are in use How a network connection is established, and what hardware is required to form a network A collection of computers electronically connected so that data (and sometimes programs) may be shared over a distance. Communication Networ k es of Computer Communicatio I nternet Newsgroup s Blogs Wikis I nstant Messaging Email Web Chat Rooms RSS Fax Machine Wireless Messaging Web Folders FTP VoI P Video Conferenci ng ommunication media is an electronic highway that ransports data. I ndividual bundles of data are called Communication channel uses media and other devices to transport data between computers . channel Communication M odel Basic Communication M odel Channel Capacity: Bandwidth Think of bandwidth as a measure of how much traffic a road can carry at one time. Measured in: bps (b its p er s econd) 64 kbps (voice) 6 Mbps (video) Wire pair Coaxial cable Fiber optics Microwave Satellite Radio Frequency I nfra-Red Guide Media Wireless Media M edia Types M edia Types: Guide M edia...
View Full Document

This note was uploaded on 02/14/2011 for the course IT 103 taught by Professor Sangjara during the Fall '08 term at George Mason.

Page1 / 32

Data Communications and Networking - Chapter 5 Data...

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online