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Data Flow Diagrams (DFD)
It's a graphical representation of flow of data through a system. It pictures a system like a network of functional processes. The foundation of DFD is a data flow graph that pictorially represents transformation on data as demonstrated in Figure.
A newsagent shop employs several newspaper deliverers to hand-deliver the morning newspapers to customers' houses. The customers all live fairly close to the shop and the delivere
How many types of project plan. Quality plan - This plan describes the quality techniques and standards that will be used in a project. Validation plan - This plan explains the
INFORMATION STORAGE AND RETRIEVAL SOFTWARE: IBM (International Business Machines Corporation) was one of the earliest to invest money to develop software packages intended fo
You are to create a decision table to help you decide what to do for the day. If it is a weekday and it is not a holiday, then you go to work. However, if it is a weekday and it
What is continuous CMMI MODEL? This is a finer-grain model that considers individual or groups of practices and assesses their use. The maturity assessment is not a one valu
Q. Why does the software design improve when we use object-oriented concepts? Ans. The software design gets betters when we use object-oriented concepts because 1.Object-o
Q. For the flow graph showed in figure compute McCabe's Cyclomatic Complexity. Ans: In this flow graph Number of regions are 5 hence the Cyclomatic complexity is = 5
Explain incremental model? The incremental model is proposed by D.L PARNAS. It is basically executed by combining elements of linear sequential model and iterative prototyping
What are the various types of coupling? i. Data coupling - The data coupling is likely by parameter passing or data interaction. ii. Control coupling - The modules share c
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
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