Lecture 24 – Chapter 12 continued Human-Computer Interaction Dialogs and Storyboards Dialog designs can be developed in many ways Often evolve from descriptions of scenarios
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System: What Downtown Videos option do you want? break it down further into a sequence of user actions, Eg.:
User: I need to rent some videos
System: Okay, what is the customer’s ID number for
this rental? (screen 2)
User: It is 201564
System: Fine, your customer is Nancy Wells as 1122
Silicon Avenue. Note that she has two kids,
Bob and Sally, who can only rent PG-13
videos. Correct? (screen 3)
User: Yes. break it down further into a sequence of user actions, Eg.:
System: What’s the ID number of the first video she
wants to rent? (screen 4)
User: It is 5312. (screen 5)
System: Fine, that Titanic (the 1953 with Barbara
Stanwyck) with a rental charge of $1.00 for
three days, rated PG. What’s the ID number of
the next video or is that it?
User: It is 8645. (screen 6)
System: Fine, that is Titanic (the 1998 version) with a
rental charge of $3.00 for three days …..