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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. What do you understand by black box testing? Black Box Testing:-Black Box Testing is as well called behavioural testing focuses on the functional requirements of the softwar
The activities of software maintenance Software maintenance is a broad activity that contains error correction, increasing of capabilities, deletion of obsolete capabilities an
What is RAD Approach As the term suggests, this model gives a quick approach for software development and is based on a linear sequential flow of numerous development processe
testing
various software design methodologies
How is cyclomatic complexity useful in program test? Cyclomatic complexity calculates the amount of decision logic in a single software module. It is used for two related purpo
A town comprise 5000 houses. Every house owner should pay tax based on the value of house. Houses over $200 000 pay 2% of their value in tax, houses over $100 000 pay 1.5% of their
List the important properties of a modular system. Desirable properties are:- Every module is a well defined subsystem useful to others Every module has a well defined single
A one-car taxi company receives an average of 18 calls per day. The receptionist takes down details of the requested journey and relays them to the driver by radio. Each passenger'
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.
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