Software Architecture Design Mcqs

Page No. 34

Finite automata can be divided into which of the following groups?


aAcceptors or recognizers


b Transducers


cAll of the mentioned


dNone of the mentioned


View Answer All of the mentioned

What are the heuristics for information hiding under don’t extend access?


aDon’t pass or return references to class attributes—pass or return defensive copies instead


bDon’t pass parameters by reference


cDon’t pass parameters by reference


dAll of the mentioned


View Answer All of the mentioned

What are the heuristics for information hiding?


aRestrict the scope of declarations to the smallest possible program segment


bMake class attributes at least protected and preferably private


cAvoid global visibility


d All of the mentioned



Which of the following are the strategies for restricting access to program entities?


aLimiting Visibility


bNot Extending Access


c All of the mentioned


dNone of the mentioned


View Answer None of the mentioned

What does Information Hiding mean?


a The key technique for is to restrict access to program entities as much as possible


b It is an expression that evaluates to an address where a value is stored


cAll of the mentioned


dNone of the mentioned



When is a variable called extending access beyond visibility?


aPassing a reference as an argument


bPassing an argument by reference (which uses aliasing)


cReturning a reference from a sub-program


d All of the mentioned



What is reference?


aIt is an expression that evaluates to an address where a value is stored


bIt is a variable with the same address as another variable


cAll of the mentioned


d None of the mentioned



When is a program accessible?


a A program entity at a point in a program text if it can be used at that point


b A variable is a programming language device for storing values


cAll of the mentioned


dNone of the mentioned


View Answer All of the mentioned

Which of the following are of non-local form ?


aPrivate


bProtected and Packaged


c Public


d Public, Protected and Packaged



What are the Object oriented visibility?


a Private and Package


bProtected


cPublic


dAll of the mentioned


View Answer All of the mentioned

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