One of the important features of an abstract class is

A. it need not have any object

B. it should be used only as a derived class

C. it need not have any members

D. none of the above

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. A normal C++ operator that acts in a special way on newly defined data types is said to be
  2. Static member functions have file scope.
  3. Friend function have access to the
  4. A direct access file is:
  5. A class that contains at least one pure virtual function is called as
  6. The signature of a function is
  7. this' is an implicit pointer.
  8. An object is an allocated space in memory.
  9. By default, C++ uses the following method of passing arguments
  10. Inline function specifier reduces the overheads associated with a normal function call.
  11. Which of the following relationship is known as inheritancerelationship?
  12. A member function can always access the data
  13. By default, members cannot be inherited.
  14. In C++, identifiers have to be declared at the beginning of the blocks.
  15. this' pointer has to be used while accessing data members in a member function.
  16. Classes are useful because they
  17. What is the value of Friday in the following - enum days { Monday, Tuesday, Wednesday = -1, Thursday,…
  18. Delete operator is used
  19. iostream is inheried from istream, ostream and ios class.
  20. In C++, an identifier must be initialized using constant expression.
  21. Sharing of common information are achieved by the concept of
  22. _____________ operator must have one class object
  23. A constructor cannot be explicitly called.
  24. Organizing data with methods that operate on the data and creating a new data type is called encapsulation.
  25. main() returns a value of type
  26. In a for loop with a multi-statement loop body, semicolons should appear following
  27. When a language has the capacity to produce new data type, it is said to be
  28. If class A is friend of class B and if class B is friend of class C, which of the following is…
  29. _______ argument(s) are passed in case of unary overloaded operators.
  30. Which of the following is not a component of file system