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Published byNeil Richardson Modified over 8 years ago
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Styles of User Interface
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Learning Objectives: By the end of this topic you should be able to: describe the characteristics of different styles of user interface, describe appropriate uses of different styles of user interface.
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Styles of Interface
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What are the characteristics of these Styles of Interface? Command Based Forms Dialogue Natural Language WIMP
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Command Based (CLI) command prompt on screen -e.g. MSDOS prompt commands are typed -text-based via keyboard need to know command language -only for experts -technical problem solving requires very little processing power
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Forms represents piece of paper to fill in on-screen -used for data entry -e.g. registering as new member prompts giving assistance -labels boxes to enter data user can be given choices -list boxes, drop-down menus, radio buttons validation checks can be made -certain fields can be made compulsory input useful for novice users
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Dialogue dialogue box shown prompts given questions asked -choices to be made responses given
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Natural Language
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user types or speaks in normal everyday language -computer responds to commands (or reserved words) -e.g. Microsoft Help & Google search engine useful for novice users - no need to understand the computer software to use it. vocal input (via microphone): -useful for physically handicapped people. e.g. writing a letter/searching the web -difficult to use in noisy areas -need to train software to recognise accents
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GUI
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Graphical User Interface (GUI) WIMP Window: area of the screen contains grouped icons/elements Icons: use of pictures to represent objects or actions Menus: predefined, grouped list of options (pop-up/drop down) Pointers: pointer shape indicates action to be performed memory & processor intensive direct manipulation interface -‘drag & drop’
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GUI
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Menus/Submenus Features: series of related items which can be selected with pointer -that drop down/pop up -can be cascaded – contextual -submenus structured into options -separated by function
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Menus/Submenus
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