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Write short note on the various estimation techniques.
Algorithmic cost modelling - the cost estimation is depend on the size of the software. Expert judgement - The experts from software development and the application domain apply their experience to estimate software costs.
Estimation by analogy - The price of a project is computed by comparing the project to a like project in the same application domain and then cost can be computed. Parkinson's law - The cost is determined by available resources rather than by objective assessment. Pricing to win - The project costs whatever the customer ready to pay out it.
difference between implicit and explicit conceptual model
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
Question 1 A) If you are a software engineer you must be expert in the field of hardware, software and also database. It has been listed by the industry professionals that time a
The following program will display an integral solution to the quadratic equation ax2+bx+c for integral values of a,b, and c, where a,c fall between 0 and 10, while b falls between
Q. Define the Structural Testing? For a moment it called white-box testing. At this point derivations of test cases are according to the program structure. Knowledge of the pro
Describe the effect of defining a prototype on the overall cost of the software project? The prototyping model: In this model, a prototype (an previous approximation of a fin
Explain in detail about data modelling. Data modeling makes use of the ERD. Having of 3 interrelated information. The data object. Attributes. Relationsh
Why does the software design improve when we use object-oriented concepts? The software design improves when we use object-oriented concepts because 1. Object-orientatio
Define about the erroneous data - Test data Abnormal/erroneous data - This is data outside the limits of validity/acceptability and must cause an error message to be g
Why SRS document is also called as boack-box specification of a system
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