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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 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

2. What is true about Constructor ?

  • Its name is plural of class name.
  • Its name has * symbol before it.
  • Its name is same as of class name.
  • Its name has # symbol before it.

Answer: Option C

3. Classes that can be used to instantiate objects are called concrete classes.

  • True
  • False

Answer: Option A

4. && means ?

  • Logical OR
  • Bitwise OR
  • Logical AND
  • Bitwise AND

Answer: Option C

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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