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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.
Question: Part of the conceptual model of UML is made up of four "things": "Structural things", Behavioral things", "Grouping things" and "Annotational things". Explain, using
What is Data Flow Analysis? Ans) Having of the graphical analysis of collections of (sequential) data definitions and reference patterns to verify constraints that can be placed
Define software testing? Software testing is a critical element of software quality assurance and shows the ultimate review of specification, design, and coding.
Explain about the software testing strategies. A method approach to software testing. Verification and Validation. Verification refers to the set of activities that ma
Question: (a) Compare the following pairs of terms as used in object oriented software engineering: (i) Association and Association class (ii) Multiplicity and multiple
what is race condition?explain in detail.
Define sandwich testing. Testing joins the ideas of bottom-up and top-down testing by explaining a certain target layer in the hierarchy of the module.
Q. What is Inheritance? Inheritance:- Inheritance is defined as the property of objects by which instances of a class can have access to data and programs contained in a previ
Explain the Per-action modeof QTP - Best used in below cases: - When creating simple record and run tests when there is just one or very few tests which correspond to int
Token count: - A program is considered to be series of tokens and if we count the number of tokens, some interesting results might be emerge. Tokens are classified as either opera
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