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Write short notes on empirical estimation models.
Estimation model for computer software uses empirically derived formulas to expect effort as a function of line of codes (LOC) and function points (FP). The values of LOC and FP estimated are plugged into estimation model. The empirical data that support most guess models are derived from a limited sample of projects. So out comes obtained from models should be used judiciously. The model must be tested and compared with actual and assumed data
Discuss any two software characteristics. Software is not manufactured : The life of software is from method exploration to the retirement of the software product. It is one t
What is Entity It is most elementary thing of an organisation about which data has to be maintained. Each entity has unique identity. It's represented by rectangular box with
Q. Usual stages of the simplified design process? Pre-production design Design brief it is an early often the beginning statement of design goals Analysis i
Case Study: LHM is a London based privately owned hospital which provides healthcare to its patients. The hospital uses in-house software to manage and service its patients whi
what is design assignment
Compare and contrast two operating systems
What is regression testing? Regression testing is the re-execution of some subject texts that have already been conducted to make sure that changes have not propagated unintend
Write a test program that read an integer n and call a method to display a pattern as follows: 1 2 1 3 2 1 4 3 2 1 ... n n-1 ... 3 2 1 The method header is
What is Random Testing? This is one of process used to exercise a class. It is based on developing a random test series that tries the minimum number of operations typical to th
Justify the term "Software is engineered" Software is engineered not manufactured. Although some similarities exist between software development and hardware manufacture, the t
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