Design & Implementation Mcqs for Software Engineering

Q.  What is an abstract class ?

a. A class that has direct instances, but whose descendants may have direct instances
b. A class that has direct instances, but whose descendants may not have direct instances
c. A class that has no direct instances, but whose descendants may have direct instances
d. All of the mentioned


ANSWER: See Answer
 
An abstract type is a type in a nominative type system which cannot be instantiated directly.
MCQs:  A directed arc or line in DFD represents_________________?
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MCQs:  Which of the following is a function of CASE Tool ?
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MCQs:  The context diagram is also known as __________________?
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MCQs:  Which of the following is not an activity of Structured Analysis (SA) ?
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MCQs:  To arrive at a form which is suitable for implementation in some programming language is the purpose of_______________?
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MCQs:  SA/SD features are obtained from which of the methodologies ?
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MCQs:  What DFD notation is represented by the Rectangle ?
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MCQs:  In DFDs, user interactions with the system is denoted by ____________________?
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MCQs:  Structured Analysis is based on the principles of___________________?
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MCQs:  Which of the following is not a use of a CASE tool ?
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MCQs:  Function-oriented design techniques starts with functional requirements specified in_______________?
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MCQs:  Which of the following is/are true with respect to functions ?
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MCQs:  Choose the option that does not define Function Oriented Software Design ?
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MCQs:  Which of the following is the worst type of module cohesion ?
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MCQs:  If all tasks must be executed in the same time-span, what type of cohesion is being exhibited ?
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MCQs:  Which of the following is a complementary approach to function-oriented approach ?
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MCQs:  In what type of coupling, the complete data structure is passed from one module to another ?
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MCQs:  Which of the following is the best type of module cohesion ?
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MCQs:  Which of the following is the worst type of module coupling ?
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MCQs:  __________________ is a measure of the degree of interdependence between modules ?
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