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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
QUESTION (a) Explain the meaning of the three-tier architecture (b) An Internet banking system can be said to be based on a three-tier architecture. Illustrate this with a d
Function points: Function point calculates the functionality from the user point of view, that is, on the basis of what the user request and receives in return. Thus, it deals wit
What are functional and non-functional requirements?
Name the types of debugging techniques used in Software testing. various debugging techniques are:- 1) Core dumps 2) Traces 3) Print statements 4) Debugging pr
What are the advantages and disadvantages of big-bang? Advantages: This approach is simple. Disadvantages: It is hard to debug. It is difficult to isolate errors while testi
Discuss some of the problems that are faced during maintenance of software. The problems are: - Often another person or group of persons working over the years in isolat
The spiral model of software development Contains project risks evaluation during every iteration
where star topology used in daily life
Q. What do you mean by Encapsulation? Encapsulation:- An object is said to be encapsulate (hide) data and program. This signifies that the user cannot see the inside of the o
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