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What are the types of software maintenance?
Corrective maintenance - Means the maintenance for correcting the software faults.
Adaptive maintenance - Means maintenance for adapting the change in environment.
Perfective maintenance - Means modifying or enhancing the system to meet the new requirements.
Preventive maintenance - Means changes made to improve future maintainability.
a) An ER diagram for the system. Show all entities, relationships, cardinalities and optionalities. Also, include all intersection entities. You must use the Finkelstein method
what is ethics frameworks
Define Data objects, attributes & relationship. Data object: Representation of any collective information that must be understood by software. It can be any external entity.
State Procedural abstraction. A Procedural abstraction is a named sequence of instructions that has a specific and limited function. Eg: Open Walk to the door, reach out &
What is Boundary value Analysis? Boundary value analysis is a method in software testing where tests are designed for showing boundary values. The values will be on the edge of
write a main module and three other nodules. The owners of the Super Supermarket would like to have a program that computes the monthly gross pay of their employees as well as the
How do you develop a test plan and schedule? Describe bottom-up and top-down approaches. A test plan is contract among the testers and the project team explaining the role of t
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
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
Waterfall Model It is the oldest, simplest and most widely used process model. In waterfall model, every phase of the life cycle is finished before start of a new phase. It's
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