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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.
What does Modularity concept mean? Software architecture embodies modularity; ie, Software is named in to addressable components called as modules that are integrated finally.
Testing a new or an changed data processing system with the similar source data that is used in another system. The other system is taken as the standard of comparison.
Q. Differentiate between failures and faults? Ans. Failure: -Failure is the disappearance of external results of program operation from requirements. Consequently failure is
Question: (a) Describe the purpose and importance of a Document Type Definition in XML. (b) Describe the difference between PCDATA and CDATA with respect to a DTD. (c)
Q. What is Data Dictionary? Ans Data dictionary is a stockroom of data giving information about data. It is a list of terms as well as their definition for all data items a
Explain in detail the design concepts Abstraction Data abstraction Functional abstraction •Control abstraction Information hiding •Every module in the s
Define the Load address for the first word of the program is known as Load address origin is called as a Load address for the first word of the program
ISO 9000 certification Quality standards and procedures should be documented in an organisational quality manual. An external body might be certify that an organisation's qu
Objectives of Data dictionaries:- 1) A standard definition of every terms in a system that is each item of data is uniquely identified and defined. 2) Simple cross-referenci
Q. Explain throw-away prototyping and evolutionary prototyping. Discuss the differences between the two. Ans Throw-Away Prototyping as well called close ended prototyping .
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