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Q. Classes of data items in a data dictionary?
There are three classes of data items in a data dictionary
1) Data element- It is the smallest unit of data that cannot be meaningfully decomposed further. Example- Employee number and so on.
2) Data structure is a group of data elements forms a data structure.
3) Data Flows as well as Data Stores- data flows are data structures in motion whereas data stores are data structures at rest.
Q. Define External coupling? External coupling: A form of coupling in that a module has a dependency to other module external to the software being developed or to a particul
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A test method satisfying coverage criteria that needs each decision point at every possible branch to be implemented at least once.
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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
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