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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 refining levels of procedural detail. A hierarchy is developed by decomposing a macroscopic statement of function in a stepwise fashion unless programming language statements are reached.
What does Data abstraction contains? A Data abstraction is a named collection of data that describes a data object Eg: door Attributes: door type, Opening mechanism, Swing d
What transform mapping refers? The transform mapping is a bundle of design steps applied on the DFD in order to map the transformed flow characteristics into specific architect
patterns
compare and contrast the advantages of verticle and horizontal structural partitioning?
What are the advantages of vertical partitioning? i. These are simple to maintain changes. ii. They decrease the change impact and error propagation.
What are decision tables? Why do we use them? - Decision tables are specification-based techniques that are more focused on business rules or business logic. - A decision ta
State about the Normal data- Test data - This is data which is valid/acceptable and has expected outcomes (for instance, if a date is being input the day must be in the rang
Q. Define software testing. Explain various level of testing? Ans: Software testing- It is a process used to help identify the completeness, correctness and quality of develo
A software tool that accepts as input source code, specifications, test criteria, or data structure definitions; uses these inputs to make test input data; and, sometimes, verifies
What is the use of a data flow diagram? A data flow diagram is used to represent the functional view of an application domain. It represents all the significant business proces
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