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What are the elements of Analysis model?
i. Data Dictionary
ii. Data Flow Diagram
iii. Entity Relationship Diagram
iv. State Transition Diagram
v. Process specification
vi. Control Specification
What is stepwise refinement? Stepwise Refinement:- Stepwise Refinement is a top-down design method originally proposed by Niklaus Wirth. A program is developed by successively
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Sample answered questions
Q. How is software design different from coding? Ans: Points of difference among software design as well as coding can be laid down as under: Design : 1. Design is mo
Why software change occurs? Software change occurs because of the following reasons. New requirements appear when the software is used. The business atmosphere changes. E
Sequential circuit:- A sequential circuit is an interconnection of gates and flip-flops. The gates by themselves constitute a combinational circuit, but when contained with th
Q. Show the Advantages of Re-Engineering? 1) Reduced risk - there is a elevated risk in new software development. There possibly staffing problems, development problems and spe
What is Heuristics Testing? Ans) Heuristics Testing is the failure-directed testing.
Q. Explain Basic Execution Time Model? The model was developed by the J.D. MUSA in 1979(MUSA79) and is based on execution time. It is presumed that failures may occur according
1) An environment that having the integral hardware, instrumentation, simulators, software tools, and other support elements required to conduct a test of a logically or physically
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