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Discovering Computers - Chapter 9: Communications and Networks

Discovering Computers - Chapter 9: Communications and Networks includes Communications, Uses of Computer Communications, Networks, Network Communications Standards, Communications Software, Communications Over the Telephone Network. | Chapter 9 Communications and Networks Chapter 9 Objectives Discuss the components required for successful communications Identify various sending and receiving devices Explain the purpose of communications software Describe various types of lines for communications over the telephone network Describe uses of computer communications Describe commonly used communications devices List advantages of using a network Discuss different ways to set up a home network Differentiate among client/server, peer-to-peer, and P2P networks Identify various physical and wireless transmission media Describe the various network communications standards Next Communications What are computer communications? Process in which two or more computers or devices transfer data, instructions, and information p. 460 Fig. 9-1 Next Communications What is needed for successful communications? Sending device — initiates instruction to transmit data, instructions, or information Communications device — connects the sending device to the communications channel Communications device — connects the communications channel to the receiving device p. 460 - 461 Communications channel — media on which data, instructions, or information travel Receiving device — accepts transmission of data, instructions, or information Next Uses of Computer Communications What are some uses of communications technology? Internet Chat Rooms FTP p. 462 Web Instant Messaging E-Mail Newsgroups Web Folders Internet Telephony Video Conferencing Fax Machine or .