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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.
Define Cardinality & Modality. Cardinality: Requirement of the number of occurrences of one that can be linked to number of occurrences of another. Modality: The Modality of
What is software metric? A Software metric is a easy quantitative measure derivable from any attribute of the software life cycle (E.g.) LOC (Line Of Code) Function poin
Define Process Specification . Process Specification is used to clarify all flow model processes that appear at the final level of refinement. Check & Convert pressure
Determine statement coverage and path coverage
Q. Illustrate Partitioning in stepwise refinement? Problems are frequently too large and complex to be understood as a whole. Therefore we tend to partition such problems into
What are the Types of Requirements There are numerous categories of the requirements. On the basis of their priority, requirements are classified into below 3 types: 1.
(a) Draw an Entity-Relationship model for the relational schema given in the Appendix. Show all the entities, relationships, relationship names, and attributes and also underline
patterns
A computer program is "user friendly", when it is designed with simple of use, as one of the primary purposes of its design.
It goes by many terms - information overload, analysis paralysis, data dumping, and so on. You know what we're talking about. It is indeed greater to live in the information age wi
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