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Problem:
(a) What do you understand by user-centred design and why is it important?
(b) Explain how Prototyping and the Participatory Design approach are useful to the design of User Interface.
(c) What do you understand by the concepts "knowledge in the head" and "knowledge in the world" and what implications do they have for user interface design? Give two examples of each.
(d) You are part of a design team who has been assigned the duty of designing a computer-based system to monitor and control of activities of a nuclear reactor plant.
(i) What do you understand by distributed cognition? Support your answer with an example.
Q. What is stepwise refinement? Stepwise Refinement:-Stepwise Refinement is a top-down design strategy initially proposed by Niklaus Wirth. A program is developed by consecutiv
Define cohesion & coupling? Give suitable examples. Coupling : Coupling refers to the strength of the relationship among modules in a system. Coupling shows how strongly dif
Describe the prototyping methods in software process. Two methods i. Evolutionary prototyping - In this approach of system development, the early prototype is prepared and i
What is meant by software change? Software change is explained as the change in nature of software as the needs of software changes.
What is a variant Ans) "Variants" are versions of a program.
Define Data Flow Diagram. A Data flow diagram is a graphical representation that depicts information flow & the transforms that are applied as data move from input to output.
Q. What is the difference between module coupling and module collection? List different types of coupling and cohesion. Ans : Cohesion is the property of a single module as we
Q. Describe incremental model? Define core product and detailed plan. Ans. The incremental model is proposed by D.L PARNAS. It is basically implemented by combining elements
A program is to be developed to simulate the operations of a scientific calculator. List the facilities to be provided by this calculator. Analyze this using a DFD 0 - level and 1
What is software maintenance? Changes to the software are made in response to altered requirements but the fundamental structure of the software remains stable.
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