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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.
Abstraction :- Abstraction allows one to concentrate on a problem at some level of generalization without regard to irrelevant low level details; use of abstraction also allows one
Testing conducted to consider a system or component in its operational environment. Contrast with development, testing,; testing, acceptance;
Advantages of Re-Engineering:- 1) Reduced risk - there is a huge risk in new software development. There might be development problems, staffing problems and specification pro
QUESTION - Characteristics of DSs (a) List and describe any 4 characteristics of distributed systems. (b) State the criterion for a system to be considered as not a distrib
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Q. Explain Test data generators - testing tools? Test data generators: this is a hard one and at lease for the present is one for which no general solution exists. One of the
Bottom-up approach, as the name suggests, is the differing of the Top-down method. This process begins with building and testing the low level modules first, working its way up
What does modality in data modeling indicates? Modality shows whether or not a particular data object must participate in the relationship.
Software configuration management is an umbrella activity which is applied by the software procedure. SCM identifies controls, audits and reports modifications that invariably occ
What does data dictionary contains? Name: The primary name of the data. Alias: other names used Where-used/How-used: A record of processes that use the data or control it
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