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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.
Question: (a) Describe fully the first five basic steps in software cost estimation. (b) What are the main differences between COCOMO1 and COCOMO2 cost estimation models?
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
main characteristics of software lease
What are the benefits of smoke testing? Integration risk is decreased. The quality of the end-product is better. Error diagnosis and correction are simplified. Assessment of pr
What is EVA? Earned Value Analysis is a process of performing quantitative analysis of the software project. It gives a common value scale for each task of software project. It
Define the method of Direct changeover With this technique, old system is stopped and new system is used Straight away; - This method can be disastrous if new system fails
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
Explain about the incremental model. Have similar phases as the waterfall model. Phases are Analysis. Design. Code. Test. Incremental model delivers
What is Control Chart? Ans) A statistical method for distinguishing among common and special cause variation exhibited by processes.
What are the various testing strategies for conventional software? i. Unit testing ii. Validation testing. iii. Integration testing. iv. System testing.
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