Question: Compare and contrast on screen list boxes and dropdown list boxe
Compare and contrast on-screen list boxes and dropdown list boxes. When would you use one versus the other?
Answer to relevant QuestionsWhy is input validation important? What do you think are three common mistakes that novice analysts make in interface design? Develop two use scenarios for the DFD in exercise E in Chapter 5.Ask Jeeves (http://www.askjeeves.com) is an Internet search engine that uses natural language. Experiment with it and compare it with search engines that use key words.What information is found on the physical DFD that is not included on the logical DFD?
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