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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 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.
a) Describe refactoring in XP practices. Why refactoring is important for making high quality software systems using agile approach? b) Can agile approach being used in dev
What is Integration testing: - This test is performed to determine the interfaces among system components, interactions between the application and the hardware, file system, a
Q. Compare and contrast reliability and availability? Ans. Reliability: The probability of failure-free system operation over a specified time in a given environment for a gi
Software project planning entails what activities? Software project planning entails the many activities: - Estimation: o Effort, , resource, cost and project duratio
What is the difference between module coupling and module collection? Cohesion is the property of a one module and can be defined as glue that keeps the data elements within a
Describe the various elements of data design? i. Data object - The data objects are identified and relationships among various data objects are represented using ERD or data di
What is Control Chart? Ans) A statistical method for distinguishing among common and special cause variation exhibited by processes.
Define top-down testing. System developed starting from most general modules. Testing begins from the most general module.
Q. Explain activities of software maintenance? The Software maintenance is a broad activity that includes enhancement of capabilities, error correction, deletion of obsolete ca
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