Question:

(a) iRoom was constructed based on the guiding principles listed below, discuss on each one of those principles with respect to why the specific principle was adopted and how it affected the overall design of iRoom.

• Practice what we preach
• Emphasize co-location
• Rely on social conventions
• Aim for wide applicability
• Keep it simple

(b) The iRoom supports multimodality in terms of Human Computer Interaction, explain what is meant by multimodality in this case and illustrate your answer with an example from the iRoom project.

(c) (i) According to the Authors, what was possibly the biggest mistake made in constructing the first iRoom and why was it the biggest mistake?

(ii) How was this taken care of in the second version of iRoom?

(iii) Can you think of a solution that would further solve this problem?

(d) State and describe the three iROS subsystems.

(e) iROS systems decouple application referentially and temporally, explain these two concepts and their respective advantage for iRoom.