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Q. Explain Common coupling with example?
Common coupling: General coupling is when two modules share the same global data (example a global variable). Changing of the shared resource implies changing all the modules using it. Diagnosing the problems in structures with considerable common coupling is time consuming and difficult. Nevertheless this doesn't mean that the use of global data is necessarily bad. It doesn't mean that a software designer must be aware of potential consequences of common coupling and take special care to guard against them.
Q. Define Repeated inheritance and Encapsulation? Repeated inheritance If a class inherits in excess of once from the same class then it is referred to as repeated inherit
Explain in detail the design concepts. Abstraction Functional abstraction Data abstraction Control abstraction Information hiding Every module in
What are the benefits of prototyping? i. Prototype serves as a basis for deriving system specification. ii. Design quality can be improved. iii. System can be maintained
Q. Explain the relationship between Productivity and difficulty? Productivity refers to metrics as well as measures of output from production processes per unit of input. Pr
Determine the Sanity testing - Sanity testing is used to ensure that conflicting or multiple functions or variables don't exist in system. - It verifies that components of
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 are the common activities in design process? i. System structuring - The system is subdivided into principle subsystems components and communications among these subsy
Q. Illustrate the relationship between Time and cost? In software projects, time cannot be freely exchanged against cost. Such a trade off is limited by the nature of the softw
What is EVA? Earned Value Analysis is a process of performing quantitative analysis of the software project. It gives a common value scale for each task of software project. It
When to Re-Engineer? When the system alter are mostly confined to part of the system then re-engineer that part. When hardware or software support becomes obsolete.
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