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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.
What do you mean by the computer based system? The computer based system can be termed as "a set or an arrangement of elements that are managed to accomplish some predefined g
Throw-Away Prototyping: Also known as close ended prototyping. Throwaway or Rapid Prototyping refers to the formation of a model that will eventually be discarded rather than beco
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1. "Variable trace" is a (computer) record of the names and the values of variables accessed and/or changed during the implementation of a computer program. 2. "Value trace" is
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Define about the erroneous data - Test data Abnormal/erroneous data - This is data outside the limits of validity/acceptability and must cause an error message to be g
Partitioning:- Problems are often too large and difficult to be understood as a whole. For this reason, we tend to partition such difficulties into parts that can be easily unders
A manual testing [error detection] method where program [source code] logic [structure] is traced manually [mentally] by a group with a small set of test cases, whereas the state o
What is performance testing? Performance testing is intended to test the run-time performance of software within the context of an integrated system.
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