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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. What is default scope for a structure ?

  • Private
  • Protected
  • Public
  • None of aobve

Answer: Option C

2. What is default visibility mode for members of classes in C++ ?

  • Private
  • Public
  • Protected
  • Depends

Answer: Option A

3. 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

4. Which of following valid option will not return a value in c++ ?

  • free
  • void
  • empty
  • null

Answer: Option B

5. Which variables cannot be declared ?

  • structure
  • pointer
  • class
  • void

Answer: Option D

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