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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.
Q. Explain the software life cycle model that incorporates risk factor. Ans. The problem with traditional software process models is that they don't deal sufficiently with th
Define metrics. Metrics is explained as the degree to which a system component, or process possesses a given attribute.
Q. For the structural chart given in fig.1 calculate the Information Flow index of individual modules as well as whole software. Total information flow = IF (main) + IF (A
Define the Behavioural Model It defines operational behaviour of the system. In this model, numerous operations of the system are represented in pictorial form. Tools used to
Explain the role and functions of a Systems Analyst in the overall project development.
What are the advantages of Software maintenance Software maintenance is a very broad activity which includes error correction, deletion of obsolete capabilities, enhancement of
Q. What do you mean by REVERSE ENGINEERING? REVERSE ENGINEERING:-It is a process of analyzing software with a outlook to understanding its design and specification. In t
box diagram with example
Q. Discuss the various strategies of design. Which design strategy is most popular and practical? Ans The most commonly utilized software design strategy involved decomposing
Distribution of the Package: In the last 12 years of its existence CDS/ISIS software has become one of the most popular packages of its kind. It is estimated that there are ab
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