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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.
What is the meaning of SCM? Software Configuration Management is termed as a set of actions performed for identifying, organizing and controlling changes throughout the lifecyc
Throw-Away Prototyping: Also known as close ended prototyping. Throwaway or Rapid Prototyping refers to the formation of a model that will eventually be discarded rather than beco
Q. How Abstraction used in stepwise refinement? Abstraction:- Abstraction permits one to concentrate on a problem at some level of generalization without regard to irrelevant l
A discrepancy among a computed, observed, or calculated value or condition and the true, specified, or theoretically correct value or condition; and
What are Version management tools? Version and release identification Systems assign identifiers automatically when a new version is submitted to the system. St
i am looking for software questions answers for my assignment module.
Q. Explain the relationship between Productivity and difficulty? Productivity refers to metrics as well as measures of output from production processes per unit of input. Pr
Mention some of the drawbacks of RAD model. Not suitable for largescale projects. Commitment of developers & customers are required. Not appropriate when technical ris
Define software reliability. What is the difference between hardware & software reliability? Ans: Software reliability is the possibility that software will provide failure-f
Q. What is stepwise refinement? Stepwise Refinement:-Stepwise Refinement is a top-down design strategy initially proposed by Niklaus Wirth. A program is developed by consecutiv
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