Software Architecture Design Mcqs

Page No. 35

What are the types of visibility?


a Local


bGlobal


c Non-Local


dAll of the mentioned


View Answer All of the mentioned

What is visibility?


aA program entity at a point in a program text if it can be referred to by name at that point


b The portion of a text over which a program entity is visible


c All of the mentioned


dNone of the mentioned



What is a name and which of the following is true?


aA name is an identifier bound to a program entity


bVirtually every programming language will not supports variable and sub-programming


cIt is not be possible to refer to a particular entity by name at various points of a program’s text


d None of the mentioned



What is a program entity?


aA program entity is anything in a program that is treated as a unit


bVariables, constants, sub-programs, packages, classes, attributes and operations are all examples of program entities


cMost programming languages allow various kinds of program entities


d All of the mentioned



Which of the following represents PAID specification?


aComponent properties are documented in text


b Operation specifications, which elaborate operation responsibilities and state operation interfaces


cAll of the mentioned


dNone of the mentioned



Which of the following represents DeSCRIPTOR specification?


a Program component decomposition and component relationships are shown in static models, such as class diagrams


bPackaging and implementation specifications, particularly as they relate to information hiding


cAll of the mentioned


dNone of the mentioned



Which of the following are class invariant heuristics?


aSpecify restrictions on attributes


b Specify restrictions on parameters


cSpecify relationships between the parameters and the results


dAll of the mentioned



Which of the following are post condition heuristics?


aSpecify restrictions on parameters


bSpecify conditions that must have been established


c Specify empty preconditions as true or none


d None of the mentioned



What is Class Invariant?


aA class invariant is an assertion that must be true of any class instance between calls of its exported operations


b Class invariants must be established by class constructors


cClass invariants must be preserved by every exported operation in the class


dAll of the mentioned


View Answer All of the mentioned

What is precondition?


a It is an assertion that must be true at the initiation of an operation


bIt is an assertion that must be true upon completion of an operation


cIt is a statement that must be true at a designated point in a program


d None of the mentioned



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