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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.
State Lehman's First law A program that is used in real world environment of necessity must change or become progressively less useful in that environment.
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In software QA or software testing, a parameter is an item of information - like a name, number, or selected option - that is approved to a program, by a user or another program. B
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what is meant by phosphate conditiong
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Explain Software Bug? Ans) A fault in a program which origins the program to perform in an unintended or unanticipated manner.
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