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What is purpose of abstract class ?

  • to provide help with database connectivity.
  • to provide data input to other classes.
  • to provide security to other classes.
  • to provide an appropriate base class from which other classes can inherit.

Answer: Option D

Similar Questions :

1. Which among following is correct way of declaring object of a class ?

  • Classname Objectname;
  • Class Classname Objectname;
  • Class Classname Object Objectname;
  • Classname Object Objectname;

Answer: Option A

2. The private data members of a class are accessible ?

  • Directly to objects of that class
  • To any function defined outside a class
  • Only to the member functions
  • Only using keyword static

Answer: Option C

3. A Variable __ of void type.

  • May be declared
  • Can be initialized
  • Cannot be intialized
  • Cannot be declared

Answer: Option D

4. When one class inherits from the base class, then the original class is called ?

  • derived class
  • base class
  • sub class
  • basic class

Answer: Option B

5. How we can access data members using objects ?

  • object@datamember
  • object*datamember
  • object->datamember
  • object.datamember

Answer: Option D

Read more from - C++ Programming Questions Answers - Set 2