Authors:
Steven Pemberton
Try this small exercise: create a functional description for a doorbell. What functions should it have to support the requirements that the users of the doorbell have? To make it a bit more difficult, make it the sort of doorbell for a group of flats that share a front door, with an intercom so you can speak with the person at the door, and the ability to open the door at a distance. Don't read any further: it shouldn't take long to do: what facilities does such a bell-intercom need to support? Now, while you're doing that, let me…
You must be a member of SIGCHI, a subscriber to ACM's Digital Library, or an interactions subscriber to read the full text of this article.
GET ACCESS
Join ACM SIGCHIIn addition to all of the professional benefits of being a SIGCHI member, members get full access to interactions online content and receive the print version of the magazine bimonthly.
Subscribe to the ACM Digital Library
Get access to all interactions content online and the entire archive of ACM publications dating back to 1954. (Please check with your institution to see if it already has a subscription.)
Subscribe to interactions
Get full access to interactions online content and receive the print version of the magazine bimonthly.
Post Comment
No Comments Found