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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.
Justify the term "Software is engineered" Software is engineered not manufactured. Although some similarities exit among software development and hardware manufacture, the two
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Q. A supermarket requires to develop software to encourage regular customers. For this the customer requires to supply his name address telephone number and driving license number.
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A University has asked you to design and implement a simple database to store student and module details (including details of which school students belong to and which schools run
Lines of code (LOC) is a software metric used to calculate the size of a software program by counting the number of lines in the text of the program's source code. LOC is typicall
Comparison testing is testing that evaluate software weaknesses and strengths to those of competitors' products.
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