Science

drug economic consumptionr user port founding Ali GHORAYEB 05/12/2011 Dr. Ali GHORAYEB 1 Objectives To suggest slightly superior general design principles for user interface design To let off divers(prenominal) interaction styles and their use To explain when to use graphical and textual information contributeation To explain the principal activities in the user interface design figure out To introduce usability attributes and approaches to system evaluation 05/12/2011 Dr. Ali GHORAYEB 2 Topics cover Design issues The user interface design process drug user 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, experience and expectations of its legal expert users. System users often judge a system by its interface rather than its functionality. A poorly designed interface abide cause a user to chance on r uinous errors. Poor user interface design is the reason wherefore so many software systems are never used. 05/12/2011 Dr. Ali GHORAYEB 4 Human factors in interface design Limited short-term memory square away sum can instantaneously remember about 7 items of information. If you present more than this, they are more liable to make mis progress tos.

commonwealth make mis put ons When sight make mistakes and systems go wrong, inappropriate alarms and messages can increase stress and hence the wishlihood of more mistakes. batch are different quite a little throw away a wide surf of carnal capabilities. Designers should not just design for their own capabi! lities. People have different interaction preferences Some like pictures, some like text. 05/12/2011 Dr. Ali GHORAYEB 5 UI design principles UI design must take account of the needs, experience and capabilities of the system users. Designers should be aware of passels physical and mental limitations (e.g. limited short-term memory) and should chance on that people make mistakes. UI...If you want to get a massive essay, order it on our website: BestEssayCheap.com

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