C++ MCQs with answers Page - 63

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Q. How many copies of a class static member are shared between objects of the class?

  • (A) A copy of the static member is shared by all objects of a class
  • (B) A copy is created only when at least one object is created from that class
  • (C) A copy of the static member is created for each instntiation of the class
  • (D) No memory is allocated for static members of a class

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Q. Which looping process checks the test condition at the end of the loop?

  • (A) for
  • (B) while
  • (C) do-while
  • (D) no looping process checks the test condition at the end

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Q. The default access level assigned to members of a class is ___________

  • (A) Private
  • (B) Public
  • (C) Protected
  • (D) Needs to be assigned

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Q. Which of the following correctly describes the meaning of‘namespace’ feature in C++?

  • (A) Namespaces refer to the memory space allocated for names used in a program
  • (B) Namespaces refer to space between the names in a program
  • (C) Namespaces refer to packing structure of classes in a program.
  • (D) Namespaces provide facilities for organizing the names in aprogram to avoid name clashes.

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Q. Which of the following correctly describes the meaning of ‘namespace’ feature in C++?

  • (A) Namespaces refer to the memory space allocated for names used in a program
  • (B) Namespaces refer to space between teh names in a program
  • (C) Namespaces refer to space between the names in a program
  • (D) namespaces provide facilities for organizing the names in a program to avoid name clashes

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Q. Which of the following language is not supported by C++?

  • (A) Namespaces
  • (B) Operator Overloading
  • (C) Reflection
  • (D) Exception Handling

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Q. class derived: public base1, public base2 { } is an example of

  • (A) Polymorphic inheritance
  • (B) Multiple inheritance
  • (C) Multilevel inheritance
  • (D) Hierarchical inheritance

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Q. How do we declare an ‘interface’ class?

  • (A) It is not possible to create interface class in C++
  • (B) By declaring the class as interface with the keyword ‘interface’
  • (C) By making all the methods abstract using the keyword ‘abstract’ in a class
  • (D) By making all the methods pure virtual in a class

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Q. How do we declare an abstract class?

  • (A) It is not possible to create abstract classes in C++
  • (B) By declaring the class abstract with the keyword ‘abstract’
  • (C) By declaring at least one method abstract using the keyword ‘abstract’ in a class
  • (D) By providing at least one pure virtual method (function signature followed by ==0;) in a class

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Q. Which of the following is not an advantage of secondary memory

  • (A) It is easily portable
  • (B) It has highest speed
  • (C) It has large storage capacity
  • (D) It is cost-effective

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