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Explain about the E-R Diagram
Entity-relationship (E-R) diagram is detailed logical representation of data for an organisation. It is data oriented model of a system while DFD is a process oriented model. ER diagram represent data at rest whereas DFD tracks the motion of data.
ERD doesn't provide any information regarding functionality of data. It has 3 main components - data entities, their relationships and their associated attributes.
Differentiate between functional testing and structural testing. Functional testing also known as behavioural testing or Black box testing. In this methods, tester design te
Which phase is not available in software life cycle? Abstraction is the only phase which in not available in software life cycle
how does software myth affects software process
An activity in which a system or component is implemented under specified conditions, the results are observed and an evaluation is made of some problem of the system or component.
Q. Discuss the problems faced during software maintenance? The most significant problem during maintenance is that before correcting or else modifying a program the programmer
what are the advantages of open source software?
a) There are four steps or activities in needs engineering: elicitation, specification, validation, and negotiation. Briefly explain the task of every of the four steps. Why needs
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
Explain about Virtual memory Virtual memory is a method used in some large computer that permit the user to construct programs as by a large memory space were available, equal
Q. What is function point? Ans. Function point methods the functionality from the user point of view that is on the basis of what the user request and receives in return. C
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