Prelim Topic 1: Introduction to information skills and systems
Timing and resources
Time: 4 weeks
Syllabus: pages 14–17 Section 8.1
Texts: Heinemann IPT Prelim—G. K. Powers (chapter 1)
P1.1Describes the nature of information processes and information technology
P1.2Classifies the functions and operations of information processes and information technology
P2.1Identifies the information processes within an information system
P2.2Recognises the interdependence between each of the information processes
P3.1Identifies social and ethical issues
P4.1Describes the historical developments of information systems and relates these to current and emerging technologies
Students learn to:
(a)Define an information system and information technology.
(b)Explain the impact of information technology.
2.Information systems in context
(a)Represent diagrammatically an information system.
(b)Describe the environment and purpose of an information system.
(c)Describe the information system as a set of information processes requiring participants, data/information and information technology.
(d)Describe the information technology in terms of the hardware and software.
(e)Define a computer and describe the five basic functions called input, process, control, storage and output.
(f)Briefly outline the difference between data and information
(g)Identify the participants in an information system.
(h)Explain how a given need can be supported by an information system—Case Study: Woolworths.
(a)Distinguish between and categorise the activities in terms of the seven information processes.
(b)Describe the nature of the seven information processes:
Collecting as the information-input process that involves deciding what to collect, locating it and collecting it.
Organising as the modification of data by arranging, representing, and formatting data.
Analysing as the interpretation of data, transforming it into information. It involves examining data and giving meaning to it.
Storing data saves data and information for later use and retrieving data obtains data and information that has been previously saved.
Processing as the manipulation of data and information.
Transmitting and receiving as the transfer of data and information within and between information systems.
Displaying as the output from an information system to meet a purpose.
4.Nature of data and information
(a)Explain the nature of data and information.
(b)Categorise data as image, audio, video, text and numbers.
(c)Identify the data and the information into which it is transformed for a given scenario.
5.Digital representation of data
(a)Explain why information technology uses digital data.
(b)Outline the advantages and disadvantages of digital data.
(c)Describe current data digitising trends.
(d)Understand how data is represented digitally—bit, binary system, hexadecimal, ASCII, EBCDIC.
6.Social and ethical issues
(a)Describe social and ethical issues that relate to information system users and participants.
(b)Identify the social and ethical issue of data security, data accuracy and copyright.
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