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Assignment No. 03
Semester Fall 2010
Human-Computer Interaction-CS408


Total Marks: 20


Due Date: 04/01/2011


To learn and understand basic concepts of User-Centered approach and design approach.


Please read the following instructions carefully before solving & submitting assignment:

Assignment should be in your own wordings not copied from net, handouts or books.

It should be clear that your assignment will not get any credit (zero marks) if:


o        The assignment is submitted after due date.

o        The submitted assignment does not open or file corrupt.

o        The assignment is copied (from other student or copy from handouts or internet).

o        Student ID is not mentioned in the assignment File or name of file is other than student ID.


For any query about the assignment, contact at cs408@vu.edu.pk






Suppose, if you were to developing a new room for your house, the following specific activities you would expect to be undertaken and the following representations
you would expect to be produced.





A: Initiation: You would initiate the system by deciding that you wanted a room, and produce the application description that broadly described what you wanted. This may
be expressed in a letter, sketch or verbally and would form the basis of
discussions with experts such as builders and architects.


B: Analysis of requirements gathering: You would produce a requirements specification detailing what the room was for (for example, a kitchen, a lounge, a
bedroom), the amount of money available, how large it was to be and so on.
This requirements specification thus describes the purpose the uses and the
constraints that apply to your room. It would probably be produced in consultation
with a builder or an architect and expressed in terms of sketches and a
natural language description.


C: Design: An architect would produce a set of blueprints (a detailed, formal system design) which represented you requirements.


D: Implementation: A builder would use the blue prints to build the design and produce your room.


E: Operation and Management: During the lifetime of the room, you might change its purpose (for example, a bedroom becomes a study room) and you would certainly have to
maintain it by repainting and so on.


F: Validation, Verification and testing: During these processes you would be checking that the developing product met you requirements (Validation) and was being
developed in accordance with the plans (verification). You would also test
parts of the product (for example that a window was at the correct height).





Using the information regarding developing a new room for your house discussed above, now write down a situation where you would start the development process with


a)    A conceptual design.

b)    A Physical Design.


How might the development continue in each case? [20]






o       Assignment should be in your own wordings not copied from net, handouts or books.


o       Your answer should be “to the point” and not more than 5 lines.











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