Human-Computer Interaction 3e Dix, Finlay, Abowd, Beale

exercises  -  15. task models

EXERCISE 15.9 [extra - not in book]

For each system, identify three representative tasks that need to be supported.

1. A system to provide travel information to coach passengers
2. An information system to support an estate agency
3. A virtual lecture theatre
4. A World Wide Web search engine.
5. An information kiosk at Crufts to help people choose an appropriate breed of dog for their lifestyle.
6. An electronic point of sale system for a large supermarket chain.
7. A video conferencing system to support admissions interviews for a virtual university.
8. An electronic banking system running on the World Wide Web.
9. A library information system
10. A web based book shop.
11. A cooperative editing tool to support co-authors
12. A custard dispenser on a cake production line.

answer available for tutors only

1. A system to provide travel information to coach passengers
find bus time, find route information, find ticket price
2. An information system to support an estate agency
search for suitable property, add property to listing, record sale
3. A virtual lecture theatre
listen to lecture, present lecture, ask question
4. A World Wide Web search engine.
find specific site, find sites on search terms, browse subject areas, register site
5. An information kiosk at Crufts to help people choose an appropriate breed of dog for their lifestyle.
enter constraints, find breed details, find breeders
6. An electronic point of sale system for a large supermarket chain.
register item, total bill, remove item from registered
7. A video conferencing system to support admissions interviews for a virtual university.
run student -staff interview, demostrate course materials, review interview
8. An electronic banking system running on the World Wide Web.
check account balance, transfer money, deposit money
9. A library information system
find title, find availability of book, check items on loan
10. A web based book shop.
browse titles, buy book, order book
11. A cooperative editing tool to support co-authors
comment on text, edit text, incorporate multiple edits
12. A custard dispenser on a cake production line.
adjust dispense quantity, stop dispensing, monitor consistency


Other exercises in this chapter

ex.15.1 (ans), ex.15.2 (ans), ex.15.3 (ans), ex.15.4 (ans), ex.15.5 (ans), ex.15.6 (tut), ex.15.7 (open), ex.15.8 (open), ex.15.9 (tut), ex.15.10 (tut), ex.15.11 (tut)

all exercises for this chapter


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