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Components of an Information System
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Content:
difference between hardware and software :: input, output and storage devices :: specialist hardware devices :: specialist software devices :: types of software :: user interfaces.
Candidates should be able to:
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describe the difference between hardware and software, giving examples of each to illustrate the description and explain the lack of standardisation affecting both hardware and software;
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identify an appropriate input, output or storage device for a given situation and justify the choice made;
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describe specialist hardware devices for physically disabled users: puff-suck switch, foot mouse, eye typer, Braille printers and keyboards, speakers and microphones;
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describe specialist software for physically disabled users: predictive text, sticky keys, zoom, voice recognition;
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describe different types of software (operating systems, user interfaces, utilities, applications software) and give examples of how and where each type of software would be used;
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describe the characteristics of different styles of user interface, command-based, forms, dialogue, natural language, wimp interfaces (windows, icons, menus, pointer), and their appropriate uses.
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