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Define Data Flow Diagram.
A Data flow diagram is a graphical description that depicts information flow & the transforms that are applied as data move from input to output.
The basic structure of a data flow diagram, also known as a data flow graph or a bubble chart.
How the CASE tools are classified? CASE tools can be classified by A. By function or use B. By user type(e.g. manager,tester),or C. By stage in software engineering pr
Explain Length of code This is a measure of the size of a program. Usually, the larger the size of the code of a component, the more difficult and error-prone that component is
What are the two levels of testing? i. Component testing Individual components are tested. Tests are derived from developer' s experience. ii. System Testing The group
What are business process engineering tools? By modeling the strategic information needs of an organization, business process engineering tools give a "meta-model" from which e
What is the difference between Print Preview and Layout Preview? Print Preview and Layout Preview When a report is observed in Print preview, it appears almost exactly as it
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What are the roles of glass-box and black-box testing tools? Glass Box (or white box) testing is the method of giving i/p to the system and checking how the system processes i/
Why decision tables are used in many cases instead of boundary value and equivalence partitioning analysis? - A decision table is an efficient way to deal with combinations of
Determine statement coverage and path coverage
Throw-away prototyping Objective: The principal objective of this model is to validate or to derive the system requirements. It is developed to reduce requir
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