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What does Level0 DFD represent?
Level0 DFD is known as 'fundamental system model' or 'context model'. In the context model the entire software system is shown by a single bubble with input and output shown by incoming and outgoing arrows.
Regression test cases which a program has previously implemented correctly in order to detect errors spawned by changes or corrections done during software development and maintena
What is equivalence partitioning? Equivalence partitioning is a black box method that separates the input domain into classes of data. From this data test cases can be derived.
A test method satisfying coverage criteria that needs each decision point at every possible branch to be implemented at least once.
Q. What is Code Restructuring? Code Restructuring : It is performed to acquiesce a design that produces the same function but with higher quality than the original program. Ge
Define the Stress testing: - It checks the robustness of application. - It verifies that application consistently gives satisfactory performance under unfavorable and extrem
What does Verification represent? Verification shows the set of activities that are carried out to confirm that the software correctly executes the specific functionality.
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Problem 1. Explain why it is necessary to design the system architecture before the specifications are written 2. Explain why it is important to describe software designs 3.
Discuss in detail the design concepts. Abstraction Functional abstraction Data abstraction Control abstraction Information hiding Each unit in the s
Discuss spiral model for software life cycle SPIRAL MODEL The spiral model is classified into number of frame works. These frameworks are represented by task regions.
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