Principles of Information Systems chapter 06

Principles of Information Systems (with Online Content Printed Access Card)

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1 Principles of Information Systems, Tenth Edition Chapter 6 Telecommunications and Networks
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Principles of Information Systems, Tenth Edition 2 Principles and Learning Objectives A telecommunications system consists of several fundamental components Identify and describe the fundamental components of a telecommunications system Discuss two broad categories of telecommunications media and their associated characteristics Briefly describe several options for short-range, medium-range, and long-range communications
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Principles of Information Systems, Tenth Edition 3 Principles and Learning Objectives (continued) Networks are an essential component of an organization’s information technology infrastructure Identify the benefits of using a network Describe three distributed processing alternatives and discuss their basic features Identify several telecommunications hardware devices and discuss their functions
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Principles and Learning Objectives (continued) Network applications are essential to organizational success List and describe several network applications that organizations benefit from today Principles of Information Systems, Tenth Edition 4
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Why Learn About Telecommunications and Networks? Effective communication: Essential to the success of every major human undertaking Regardless of your chosen career field: You will need the communications capabilities provided by telecommunications and networks Principles of Information Systems, Tenth Edition 5
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Principles of Information Systems, Tenth Edition 6 An Overview of Telecommunications Telecommunications: Electronic transmission of signals for communications Telecommunications medium: Any material substance that carries an electronic signal to support communications between a sending and receiving device Networking protocol: Set of rules, algorithms, messages, and other mechanisms that enable software and hardware in networked devices to communicate effectively
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Principles of Information Systems, Tenth Edition 7 An Overview of Telecommunications (continued)
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Principles of Information Systems, Tenth Edition 8 An Overview of Telecommunications (continued) Synchronous communications: Receiver gets message instantaneously Asynchronous communications: Receiver gets message after some delay
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Principles of Information Systems, Tenth Edition 9 Basic Telecommunications Channel Characteristics Simplex channel: Transmits data in only one direction Half-duplex channel: Transmits data in either direction, but not simultaneously Full-duplex channel: Permits data transmission in both directions at the same time
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Principles of Information Systems, Tenth Edition 10 Basic Telecommunications Channel Characteristics (continued) Channel bandwidth: Rate at which data is exchanged Circuit switching network: Sets up a circuit between the sender and receiver before any communications can occur
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This note was uploaded on 09/18/2011 for the course CIS 310 taught by Professor Patterson during the Summer '11 term at NC Wesleyan.

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Principles of - Principles of Information Systems Tenth Edition Chapter 6 Telecommunications and Networks 1 Principles and Learning Objectives A

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