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drug drug utiliser substance absubstance abuser larboard formulate Ali GHORAYEB 05/12/2011 Dr. Ali GHORAYEB 1 Objectives To show slightly superior frequent image principles for user interface approach pattern To explain divers(prenominal) fundamental interaction styles and their use To explain when to use graphical and textual data contributeation To explain the principal activities in the user interface design move To introduce usability attributes and approaches to remains evaluation 05/12/2011 Dr. Ali GHORAYEB 2 Topics covered Design issues The user interface design process substance abuser analysis User interface prototyping Interface evaluation 05/12/2011 Dr. Ali GHORAYEB 3 The user interface User interfaces should be knowing to match the skills, pass and expectations of its judge users. System users a great deal judge a strategy by its interface or else than its functionality. A poorly designed interface abide stool a user to deliver ruinous errors. Poor user interface design is the yard wherefore so much software systems are never used. 05/12/2011 Dr. Ali GHORAYEB 4 Human factors in interface design Limited short-term memory tidy sum ordure instantaneously remember roughly 7 items of information. If you present more than this, they are more apt(p) to find mis progress tos.

population make mistakes When sight make mistakes and systems go wrong, inappropriate alarms and messages clear increase stress and then the same(p)lihood of more mistakes. the great unwashed are different quite a little train a wide surf of corporal capabilities. Designers should not just design for their own capabilities. People have different interaction preferences or so like pictures, some like text. 05/12/2011 Dr. Ali GHORAYEB 5 UI design principles UI design must take poster of the needs, experience and capabilities of the system users. Designers should be aware of piles physical and mental limitations (e.g. hold in short-term memory) and should name that people make mistakes. UI...If you want to detect a abundant essay, send it on our website: Orderessay

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