exercises

17. models of the system

EXERCISE 17.8

This exercise is based on the mobile phone scenario on the book website at: www.hcibook.com/e3/scenario/phone/.

List the main elements of the state of the phone (you can use programming language variable declarations for this) and then write down a step-by-step walkthrough of the state as the user accesses a shortcut at position '3' as in steps C.1C.10 of scenario C.

answer available for tutors only

Other exercises in this chapter

ex.17.1 (ans), ex.17.2 (ans), ex.17.3 (ans), ex.17.4 (ans), ex.17.5 (tut), ex.17.6 (tut), ex.17.7 (tut), ex.17.8 (tut), ex.17.9 (tut)

all exercises for this chapter