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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.
What is DFD? Data Flow Diagram depicts the information flow and the transforms that are applied on the data as it moves from input to output.
Mention some of the drawbacks of RAD model. Not suitable for largescale projects. Commitment of developers & customers are required. Not appropriate when technical ris
Q. Design black box test suits for a function that checks whether a character or string upto ten characters in a palindrome? Ans Following may be the test cases: - Try wit
explain
Incremental analysis happens when (partial) analysis may be performed on an incomplete product to permit early feedback on the development of that product.
What are the three activities of risk assessment? Ans: The three activities are analyzing, identifying and giving priorities. Risks are able to be identified by a check list
Q. What is Structure chart? A structure chart is a top-down modular design tool construct of squares representing the different modules in the system as well as lines that conn
What are the benefits of using Stored Procedures? - They help in reducing network traffic and latency which in turn boosts application performance. - They assist in promotin
what is concurrency?
Discuss in details the design principles. The design process is free from tunnel vision. The design should be observable to the analysis model. Design should not reinv
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