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Q. What is the use of a data flow diagram? Explain the important concepts of data flow diagram. Ans. A data flow diagram is utilized to show the functional view of an applica
What are the types of metrics? Direct metrics - It refers to right away measurable attributes. Example - Lines of code, execution speed. Indirect metrics - It refers
Give explanation about the software testing strategies. A strategic approach to software testing. Verification and Validation. Verification means a set of work o
Q. Define cohesion and coupling? Give suitable examples. Ans Coupling: Coupling refers to the strength of the relationship between modules in a system. Coupling represents how
What are the advantages of evolutionary prototyping? i. Fast delivery of the working system. ii. User is included while developing the system. iii. More useful system can
What are repositories used by QTP to store object properties? QTP uses two kinds of repositories to store object properties. a.) Shared object repository: A global object
Question: (a) Why is quality assurance especially difficult in software engineering ? (b) Inspiring yourself from the McCall's taxonomy of quality attributes, explain five
Define System Modelling? Define the processes that provide the needs of the view under consideration. Shows the behaviour of the processes and the assumptions on which t
Problem: a) Assume a washing machine. List all possible states of the washing machine. Draw a state diagram showing also the events triggering the change of states where poss
Encapsulation An object expresses the data and information it contains and supports a well described abstraction. Encapsulation leads to the separation of the interface and ex
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