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Q. Explain about Data coupling?
The dependency among module A and B is said to be data coupled if their dependency is based on the fact they communicate by merely passing of data. Other than communicating by data the two modules are independent. A good strategy is to make sure that no module communication contains tramp data only the necessary data is passed. Students address, name, course are example of tramp data that are unnecessarily communicated between modules. By making sure that modules communicate only necessary data module dependency is minimized.
What is ripple effect? The ripple effect is a term used to describe a situation where, like the ever expanding ripples across water when an object is dropped into it, an
What is software maintenance Alters to the software are made in response to altered requirements but the fundamental structure of the software remains same.
What are the Problems in comes in SRS There are numerous features which make requirements analysis difficult. These are explained below: 1. Complete requirements are diffic
Bottom-up integration This testing starts construction and testing with the components at the lowest levels in the program structure.
A computer program is "user friendly", when it is designed with simple of use, as one of the primary purposes of its design.
What are the merits of incremental model? i. The incremental model can be adopted when there is less number of people included in the project. ii. Technical risks can be man
Discuss spiral model for software life cycle SPIRAL MODEL The spiral model is classified into number of frame works. These frameworks are represented by task regions.
Throw-away prototyping Objective: The principal objective of this model is to validate or to derive the system needs. It is developed to decrease requirement risks.
#use case diagram for car manufactures by considering build and price of car as use case#
box diagram with example
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