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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.
What are the common activities in design process? i. System structuring - The system is subdivided into principle subsystems components and communications among these subsystem
What is data modelling? Data modeling is the basic step in the examine modeling. In data modeling the data objects are examined independently of processing. The data model s
A major book retailer is planning to develop a computer system to handle their new online bookshop: BooksUniverse.com. You have been chosen to do the analysis and design using Obje
What is the meaning of Software? Software is termed as a set of computer programs that are related documents that are indented to provide required features, functionalities and
What are the common approaches in debugging? Brute force method: The memory dumps and run-time tracks are examined and program with write statements is loaded to obtain clues t
What are Documentation standards? Particularly important - documents are the tangible manifestation of the software. Documentation process standards Concerned with how
Differentiate between regression testing and re-testing - Re-testing: - It means testing a single defect that was just fixed. Only one test is performed here. - The ta
What is meant by Information flow Continuity? When we refine a fundamental model for a system, the information flow continuity must be maintained .ie, input & output to every r
What is the difference between module coupling and module collection? Cohesion is the property of a one module and can be defined as glue that keeps the data elements within a
How can you create the new system System is to be computerised. Following will be created: (i) All DVD and CD data will be stored on a database (ii)
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