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Cardinality & Optionally
Cardinality represents the relationship between two entities. Consider one to many relationship between two entities -student andclass. Here cardinality of a relationship is the number of instances of entity student which can be associated with each instance of entity class. This is demonstrated in Figure.
Q. Define the Structural Testing? For a moment it called white-box testing. At this point derivations of test cases are according to the program structure. Knowledge of the pro
Draw the Context level DFD for the Safe home Software. User commands Alarm type Telephone Number tone Sensor status Display Information
Explain the prototyping approaches in software process. Two approaches i. Evolutionary prototyping - In this approach of system development, the initial prototype is pre
Q. Explain Information Flow index? Information Flow index Information flow metrics are practical to the components of a system design. For any component A We are able to defi
List any three characteristics of a good SRS. Ans:The SRS should be: Correct , Unambiguous, Complete 1. Correct: An SRS is correct if each requirement stated therein is on
A strategy for software testing integrates software test case design methods into a well - planned series of steps that result in the successful construction of software. Common
Define Verification &Validation. Verification : The set of actions that make sure software correctly implements a particular function. Validation : The set of actions that
What is software maintenance? Changes to the software are made in response to altered requirements but the fundamental structure of the software remains stable.
State Lehman's First law A program that is used in real world environment of necessity must change or become progressively less useful in that environment.
Q. Explain effort adjustment factor? All of the 15 attributes receives a rating on a six-point scale that ranges from very low to extra high (in importance or value). An endeav
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