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Define the method of Direct changeover
With this technique, old system is stopped and new system is used Straight away;
- This method can be disastrous if new system fails at any point
- Though, benefits are immediate and less time is wasted
- Costs are reduced (just one system in use so save on staff costs)
- Less likelihood of a malfunction as the new system would have been fully tested
What are the types of Software system requirements? Functional requirements: Services the system should give. Non-functional requirements: Constraints on the services.
Scenario A scenario is a sequence of events that happen in a particular implementation of the system. A scenario can be defined textually by enumerating the sequence of events
What is Branch coverage? Ans) Test coverage criteria which needs that for each decision point each possible branch be implemented at least once. Syn: decision coverage. Contrast
Question: (a) (i) Using examples from the case study or otherwise, explain the following concepts: • Encapsulation • Specialization • Polymorphism (ii) Discuss the a
developer
A set of people, machines, and methods prepared to accomplish a set of specified functions.
Q. Explain diffrent types of system testing? System testing System tests are designed to validate a fully developed system to assure that it meets its requirements. There are f
What is a Real time system? Real time system is a software system in which the correct functionalities of the system are dependent upon results formed by the system and the tim
What is a cohesive module? A cohesive module performs only "one task" in software process with little interaction with other modules. In other words cohesive module performs on
Q. What is Constructive Cost Model? COCOMO model denotes Constructive Cost Model. It is an empirical model basis on project experience. It is well-documented and independent mo
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