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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 is more memory efficient ?

  • structure
  • union
  • both use same memory
  • depends on a programmer

Answer: Option B

2. The process of deriving a class from another derived class is known as ?

  • single inheritance
  • dual inheritance
  • multiple inheritance
  • multilevel inheritance

Answer: Option D

3. A Variable __ of void type.

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

Answer: Option D

4. int *ptr[5];

  • a pointer of 5 int elements
  • an array of 5 int pointers
  • an array of 5 elements returning an int value
  • none of above

Answer: Option B

5. Inheritance is referred to as

  • “is a” relationship
  • "have a" relationship
  • both of above
  • none of above

Answer: Option A

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