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Data Flow Diagrams (DFD)
It's a graphical representation of flow of data through a system. It pictures a system like a network of functional processes. The foundation of DFD is a data flow graph that pictorially represents transformation on data as demonstrated in Figure.
Q. Explain about non-functional requirement for a software ? Ans) Nonfunctional requirements are the basic characteristics of the system which will not be expressed as function
List the guidelines for data design. i. Apply systematic analysis on data. ii. Determine data structures and related operations. iii. Establish data dictionary. iv. Us
What is equivalence partitioning? Equivalence partitioning is a black box method that separates the input domain into classes of data. From this data test cases can be derived.
List four reasons why it is difficult to improve software process. It is difficult to improve software process due to following reasons: 1. Lack of knowledge 2. Not eno
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Draw ontext diagram
What does Data abstraction contains? A Data abstraction is a named collection of data that defines a data object Eg: door Attributes: door type, Opening mechanism, Swing di
Q. Explain Test archiving systems? Test archiving systems: the goal is to keep follow of series of tests ant to act as the basis for documenting that the tests have been done
What is the diamgram .
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