Chapter09 - Discovering Computers 2009 Chapter 9...

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Unformatted text preview: Discovering Computers 2009 Chapter 9 Communications and Networks Chapter 9 Objectives Discuss the components required for successful communications Identify various sending and receiving devices Describe uses of computer communications List advantages of using a network Differentiate among client/server, peer-to-peer, and P2P networks Describe the various network communications standards Explain the purpose of communications software Describe various types of lines for communications over the telephone network Describe commonly used communications devices Discuss different ways to set up a home network Identify various physical and wireless transmission media Next Communications What are computer communications ? Next p. 460 – 461 Fig. 9- 1 Ø Process in which two or more computers or devices transfer data, instructions, and information Sending device — initiates instruction to transmit data, instructions, or information What is needed for successful communications? Communications Next p. 460 - 461 Communications device — connects the communications channel to the receiving device Receiving device — accepts transmission of data, instructions, or information Communications device — connects the sending device to the communications channel Communications channel — media on which data, instructions, or information travel Uses of Computer Communications What are some uses of communications technology? Next p. 462 { F E C 1 A 8 3 -8 3 0 3 -4 2 D C -9 E 7 C -1 3 8 A 1 4 9 0 2 8 7 8 } Internet { D 2 6 C 7 2 8 -8 5 8 3 -4 A 6 1 -8 7 1 0 -E 3 6 C 6 9 4 3 C 1 0 7 } Web { E 8 7 C 8 4 B 1 -2 6 9 7 -4 0 3-B A 6-9 E 9 9 3 4 2 D 0 8 6 } E-Mail { F 3 B 6 9 1 4 B -C 3 0 D -4 5 3 -9 3 4 B -D F 5 A E 8 5 E 1 D 2 5 } Instant Messaging { 9 E 3 C 0 B 1 E -0 B 9 B -4 3 6 4 -8 9 E 3 -C 4 D 7 1 2 4 A 3 1 } Chat Rooms { 2 B 3 1 5 8 D D -B 3 7 F -4 A 0 -9 E B 4 -C 7 B 9 D 4 D C 6 9 2 C } Newsgroups { A 1 F 3 C 8 9 -2 4 B -4 9 7 4 -B 0 7 E -1 F 9 0 4 1 5 9 0 2 1 } Blogs { 5 8 0 7 B A B 9 -A 7 1 A -4 5 D 9 -8 7 9 A -7 B A C 9 1 A 1 A 0 E C } Wikis { 9 7 B 6 F 2 0 -9 A C A -4 E 8 3 -8 7 2 9 -C E 6 A C 8 F 3 0 B C } RSS { D E 6 B 3 D 7 1 -C F E 0 -4 B D 1 -8 D 4 6 -E A F B 6 1 D C 3 E 0 B } VoIP { 6 5 F D 1 7 F 6 -7 D 4 -4 9 1 7 -8 B D C -A 0 B 3 F 3 C 5 1 E F } FTP { 7 4 5 6 8 E 3 4 -6 2 6 -4 B D 3 -9 8 B E -1 6 1 C 6 7 C 0 3 A 4 F } Web Folders { E 3 6 F C F 5 B -C F 5 8 -4 1 C-B D 0 5 -A B A C D 1 2 9 1 5 2 E } Video Conferencing { 8 0 9 2 B 3 0 -0 D B 8 -4 A 8 7 -B A 4 D -2 8 2 9 3 A 4 E 8 4 } Fax Machine or Computer Fax/Modem Uses of Computer Communications What are wireless messaging services? p. 463 - 464 Next Wireless instant messaging allows wireless mobile devices to exchange messages Text messaging allows users to send and receive short text messages on a phone or other mobile device Picture/video messaging allows users to send graphics, pictures, video clips, sound files, and short text messages Click to view Web Link, click Chapter 9, Click Web Link from left navigation, then click Video Messaging below Chapter 9 Uses of Computer Communications...
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Chapter09 - Discovering Computers 2009 Chapter 9...

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