QUESTION

a) Clearly explain three main issues arising in the design of components for use in Intranets.

b) Explain the term "location-aware Computing".

c) The Internet enables users to access services and run applications over a heterogeneous collection of computers and networks. Give four examples where heterogeneity be applied.

d) Name four forms of transparency needed in the design of system software.

e) A user arrives at a railway station that she has never visited before, carrying a PDA that is capable of wireless networking.

• Suggest how the user could be provided with information about the local services and amenities at that station, without entering the station's name or attributes.
• What technical challenges must be overcome?