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What is regression testing?
Regression testing is the re-execution of some subject texts that have previously been conducted to make sure that changes have not propagated unintended side effects.
How can we re-engineering of any product One additional difficulty in adopting this approach is large investment which exists in software system maintenance. It requires additi
Q. What is the use of a data flow diagram? Explain the important concepts of data flow diagram. Ans. A data flow diagram is utilized to show the functional view of an applica
1) The relationship between characters or groups of characters independent of their meanings or the manner of their interpretation and use; 2) The formation of expressions in a
how to make script file volume of pyramid
Q. Explain Different Phases of spiral model? 1) Planning: In this phase the objectives alternatives as well as constraints of the project are determined or documented. The ob
What does modality in data modeling indicates? Modality shows whether or not a particular data object must participate in the relationship.
What are the two levels of testing? i. Component testing Individual works are tested. Tests are derived from developer's experience. ii. System Testing The group o
What are the various types of coupling? i. Data coupling - The data coupling is likely by parameter passing or data interaction. ii. Control coupling - The modules share c
Name the types of debugging techniques used in Software testing. various debugging techniques are:- 1) Core dumps 2) Traces 3) Print statements 4) Debugging pr
What are the testing principles the software engineer must apply whereas performing the software testing? i. All tests should be traceable to customer requirements. ii. Test
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