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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. The function used to define the task assigned to an operator is ?

  • Virtual function
  • Static function
  • Operator function
  • Friend function

Answer: Option C

2. Which of the following keywords are used to control access to a class member ?

  • protected
  • switch
  • goto
  • for

Answer: Option A

3. Even if we define a function in a class, then also we need to declare it first.

  • True
  • False

Answer: Option B

Explanation:

If we define a function in a class, then also we do not need to declare it first.

4. Enumerator will allocate the memory when its variables are defined.

  • True
  • False

Answer: Option A

5. & operator is ?

  • address operator
  • indirection operator
  • logical and
  • logical or

Answer: Option A

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