7GRAPHICAL USER INTERFACE—THE KEY TO E-LEARNING
EVERY ELECTRONIC GADGET in the world—radios, calculators, computers, tablets—has a specific way for you to interact with it. The radio, for example, has a tuner for selecting the station. You may be able to change it from AM to FM with a simple switch. It also has a volume control, allowing you to set the music to a comfortable level. How are these controls arranged? How are they marked? How do you know that you are adjusting the tuner and not the volume? What visual cues do you have about how each of these controls will change the radio’s performance?
How consumers are going to use the radio and interact with these buttons was considered by the engineers who designed the radio. These engineers ...
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