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When must a function throw an exception?
A function must throw an exception when it's not able to fulfil its promise.
As soon as function detects a problem which prevents it from fulfilling its promise, it must throw an exception. If function is able to handle problem, recover itself and deliver promise, the exception shouldn't be thrown.
If an event occurs very frequently then exception handling isn't the best way to deal with it. It requires proper fixation.
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Write definition of DFD? Data Flow Diagram supplies the information flow and the transforms that are used on the data as it moves from input to output.
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The act of attempting to verify the cause of the symptoms of malfunctions noticed by testing or by frenzied user complaints.
FAST stands for :- FAST :- Facilitated Application Specification Technique
Write short notes on empirical estimation models. Estimation model for computer software uses empirically derived formulas to expect effort as a function of line of codes (LOC)
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