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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.
Discuss in details about rapid prototyping techniques. Executable specification languages. Used to animate the system specification. It is shown in a formal, mathemati
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"User documentation" is a document that explains the way a software product or system should be used to get the desired results.
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