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Q. Illustrate Partitioning in stepwise refinement?
Problems are frequently too large and complex to be understood as a whole. Therefore we tend to partition such problems into parts that can be easily understood and establish interfaces between the parts thus that overall function can be accomplished.
Partitioning decayed a problem into its constituent parts. We set up a hierarchical representation of function or information and then partition the uppermost element by:-
1) Exposing increasing detail by moving upright in the hierarchy or
2) Functionality decomposing the problem by affecting horizontally in the hierarchy.
explain why older data models are being replaced by new data models.
Coupling and Cohesion Data coupling - The data coupling is possible by parameter passing or data interaction. Control coupling - The modules share related control data
Cohesion for Each Module? Compute average daily temperatures at various sites Initialize sums and open files Create new temperature record Store temperature record Close files and
write a decision table that specifies the rules for the game of checkers
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What is V- Diagram (model)? Ans) A diagram that imagine the order of testing activities and their corresponding phases of growth
Q. Discuss some of the problems that are faced during maintenance of software? - Habitually another person or group of persons working over the years in isolation from each oth
Explain about the E-R Diagram Entity-relationship (E-R) diagram is detailed logical representation of data for an organisation. It is data oriented model of a system while DFD
What are the objectives of Analysis modeling? i. To explain what the customer needs. ii. To establish a basis for the creation of software design. iii. To devise a set of
"User documentation" is a document that explains the way a software product or system should be used to get the desired results.
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