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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.
Configuration Management: Because of several reasons, software changes during its life cycle. As a result of the changes made, many versions of the software exist at one time.
What are the approaches of integration testing? The integration testing may be performed using two approaches. 1. The non-incremental testing. 2. Incremental testing.
What kinds of bottlenecks can be expected in performance testing? Bottlenecks in performance testing can have below effects: - It can affect the performance and the scalabil
what are the basic advantages of using interrput-initiated data transfer over transfer under progrm control without an interrput
Give explanation about the software testing strategies. A strategic approach to software testing. Verification and Validation. Verification means a set of work o
What is Exception? Ans) An event that causes suspension of normal program implementation. Types contain addressing exception, operation exception, data exception, overflow excep
Q. What do you mean by Encapsulation? Encapsulation:- An object is said to be encapsulate (hide) data and program. This signifies that the user cannot see the inside of the o
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.
Q. Define the Product metrics? (i) Product metrics: Explains the characteristics of the product such as complexity, size, design features, performance, efficiency, reliability,
Testing method to satisfy coverage criteria which need that for each decision point, every possible branch [outcome] be implemented at least once. Contrast with testing, path; test
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