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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. Classes in c++ are ?

  • Fundamental data type
  • Primitive data type
  • Desired data type
  • Not defined

Answer: Option C

2. Only one copy of the class is inherited, when it is defined as ?

  • virtual
  • public
  • static
  • private

Answer: Option A

3. 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

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. An explicitly defined destructor function

  • may be virtual
  • may not be virtual
  • will always be virtual
  • will never be virtual

Answer: Option A

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