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class25 - 33:010:458 33:010:458 Accounting Information...

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33:010:458 33:010:458 Accounting Information Accounting Information Systems Systems Dr. Peter R. Gillett Associate Professor Department of Accounting, Business Ethics and Information Systems Rutgers Business School–Newark and New Brunswick
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Accounting Information Systems November 30, 2009 Dr. Peter R. Gillett 2 A.I.S. Class 25: Outline A.I.S. Class 25: Outline Learning Objectives for Chapter 4 Telecommunications Networks Group Work for Chapter 4 Ethical Use of AIS
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Accounting Information Systems November 30, 2009 Dr. Peter R. Gillett 3 Learning Objectives for Chapter 4 Learning Objectives for Chapter 4 After studying this chapter you should be able to: * identify the five components of a telecommunications network, * distinguish between terminals and workstations, * explain the various types of transmission links, including physical and "through the air" links, * differentiate between alternative transmission methods such as analog and digital transmission, circuit switching and packet switching, * describe in general terms the functioning of line sharing devices and switches, * explain the role of network architecture and standards, * explain the OSI telecommunications model, * distinguish between local area networks and wide area networks,
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Accounting Information Systems November 30, 2009 Dr. Peter R. Gillett 4 Learning Objectives for Chapter 4 Learning Objectives for Chapter 4 After studying this chapter you should be able to: * describe alternative computer network configurations including ring, star, and bus networks, * understand the various types of wide area networks, including the options for centralized data processing networks and distributed data processing networks, * explain the concept of a client/server system, * understand the architecture and functioning of the Internet, * distinguish between the Internet and Intranets, * describe the operation of electronic data interchange arrangements between organizations, * explain the concept of e-business and its emerging importance in the global economy.
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Accounting Information Systems November 30, 2009 Dr. Peter R. Gillett 5 Telecommunications Telecommunications Terminals and workstations Transmission links Transmission methods Line sharing and switching Architecture and standards
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Accounting Information Systems November 30, 2009 Dr. Peter R. Gillett 6 Terminals and Workstations Terminals and Workstations Dumb terminals Intelligent workstations Network interface cards Net PCs
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Accounting Information Systems November 30, 2009 Dr. Peter R. Gillett 7 Transmission Links Transmission Links Twisted-pair cables Coaxial cables Fiber optic cables Infra-red transmission Microwaves Satellite transmission
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Accounting Information Systems November 30, 2009 Dr. Peter R. Gillett 8 Transmission Methods Transmission Methods Analog Digital Circuit switching Packet switching Asynchronous Synchronous
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Accounting Information Systems November 30, 2009 Dr. Peter R. Gillett 9 Line Sharing and Switching Line Sharing and Switching Multiplexers (MUX) * time * frequency Front-end processors Bridges Routers Brouters Gateways
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