Information Processes and Technology

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Characteristics of communication systems

Communications Presentation

This material addresses aspects of the following syllabus outcomes

The student:

H1.1 applies and explains an understanding of the nature and function of information technologies to a specific practical situation
H1.2 explains and justifies the way in which information systems relate to information processes in a specific context
H2.1 analyses and describes a system in terms of the information processes involved
H2.2 develops and explains solutions for an identified need which address all of the information processes
H3.1 evaluates and discusses the effect of information systems on the individual, society and the environment
H6.2 selects, justifies and applies a methodical approach to planning, designing or implementing a solution
H7.1 implements and explains effective management techniques
H7.2 uses methods to thoroughly document the development of individual and team projects.

Source: Board of studies NSW, Stage 6 Information Processes and Technology, Preliminary and HSC Courses (2007)

This presentation has excellent information on characteristics of communications and networks. Browse these resources and conduct your own research on the Internet in order to complete the following activities.

Define the following terms:

Term	Definition
Blog
Wireless access point
Network interface card (NIC)
Hub
Router
Gateway
Network topologies
VOIP
Protocol
Switch
Print server
Wiki
Intranet

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Explain how Bluetooth technology is used to to connect and exchange information within communication systems. You may wish to consider devices such as mobile phones, laptop, video game consoles and personal computers.
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Email is used regularly in business, both internally and externally. Explain how emails are sent across a network system. Draw a diagram to illustrate your answer.
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Communication systems have greatly changed the workplace. In relation to the following situation, briefly describe the changes to the nature of work that have taken place:

While sitting on a train on the way to her office, a worker for an accounting firm uses a laptop to check her email.
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Define virtual communities and discuss the impact they have had on social interactions.
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Explain the relationship between RSS feeds and blogs.
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Discuss the advantages and disadvantages of electronic mail.
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Research the term e-crime and discuss one of the areas where this form of criminal activity is having an impact on communication systems.
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Explain the similarities and differences between the Internet, intranets and extranets.
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Define podcasts and list three areas where this technology is emerging as a popular form of digital communication.
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