ESIC - C++ Programming 1000+ MCQ [Solved] PDF Download

1. Overloaded functions
A. Are a group of functions with the same name
B. All have the same number and types of arguments
C. Make life simpler for programmer
D. May fail unexpectedly due to stress
Answer : A

2. The members of a class by default are private.
A. True
B. False
C.
D.
Answer : A

3. The break statement causes an exit
A. Only from the innermost loop
B. Only from the innermost switch
C. From all loops and switch
D. Only from the innermost loops or switch
Answer : A

4. Data objects can be initialized when allocating memory using 'new'.
A. True
B. False
C.
D.
Answer : A

5. A normal C++ operator that acts in a special way on newly defined data types is said to be
A. Glorified
B. Encapsulated
C. Classified
D. Overloaded
Answer : D

6. Member function cannot be called from within a constructor.
A. True
B. False
C.
D.
Answer : A

7. The member of a structure can be directly accessed by
A. ->
B. dot operator
C. ::
D. >>
Answer : B

8. Classes are useful because they
A. Are removed from memory when not in use
B. Permit data to be hidden from other classes
C. Bring together all aspects of an entity in one place
D. Can closely model objects in the real world
Answer : B

9. If a friend function is declared inside a class it can access all data members of the class.
A. True
B. False
C.
D.
Answer : A

10. Pick out the most appropriate statement
A. All variables must be declared before they are used
B. Variables in C++ need not be declared and the type can be assigned dynamically
C. Variables in C++ can be declared at the end of the program (before the main function terminates)
D. Variables can not be used explicitly in C++
Answer : A

11. The && and || operators
A. Compare two numeric values
B. Combine two numeric values
C. Compare two Boolean values
D. Combine two Boolean values
Answer : C

12. The binding that binds a function call at run time is called
A. early binding
B. run time binding
C. late binding
D. linking
Answer : C

13. If class A is friend of class B and if class B is friend of class C, which of the following is true?
A. Class C is friend of class A
B. Class A is friend of class C
C. Class A and Class C do not have any friend relationship
D. None of the above
Answer : B

14. In C++, identifiers have to be declared at the beginning of the blocks.
A. True
B. False
C.
D.
Answer : A

15. _____________ operator must have one class object
A. +
B. new
C. all
D. None of these
Answer : B

16. Objects get destroyed in the reverse order as they are created.
A. True
B. False
C.
D.
Answer : A

17. An object is an allocated space in memory.
A. True
B. False
C.
D.
Answer : A

18. The signature of a function is
A. The return type
B. The number and type of arguments
C. The class of a function
D. None of the above
Answer : D

19. Inline functions_____________ call overload.
A. Increase
B. Reduce
C. None of the above are correct
D.
Answer : B

20. By default, members cannot be inherited.
A. True
B. False
C.
D.
Answer : A

21. Delete operator is used
A. To allocate storage
B. To deallocate storage
C. To delete variable name
D. None of the above are correct
Answer : B

22. _______ argument(s) are passed in case of unary overloaded operators.
A. Two
B. One
C. No
D. None of the above
Answer : B

23. Class members are _______________ by default
A. Private
B. protected
C. public
D. None of the above are correct
Answer : A

24. Which of the following is true about const member functions?
A. const members can be invoked on both const as well as nonconst objects
B. const members can be invoked only on const objects and not on nonconst objects
C. nonconst members can be invoked on const objects as well as nonconst objects
D. none of the above
Answer : B

25. A function that is called automatically when an object is destroyed is known as
A. instantiation
B. function prototype
C. constructor
D. destructor
Answer : D

26. The scope resolution operator is -
A. ::
B. ;
C. <<
D. ->
Answer : A

27. Protected members cannot be inherited.
A. True
B. False
C.
D.
Answer : B

28. 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
Answer : A

29. Sharing of common information are achieved by the concept of
A. Virtual copying
B. Inheritance
C. Encapsulation
D. None of these
Answer : B

30. Static data member occurs in only class scope.
A. True
B. False
C.
D.
Answer : B

31. A destructor can have a return type.
A. True
B. False
C.
D.
Answer : B

32. By using protected, one can create class members that are private to their class but
A. that can not be inherited and accessed by a derived class
B. that can still be inherited and accessed by a derived class
C. that can be public
D. none of the above
Answer : B

33. cc ___________ option is used only to create object file
A. -a
B. -o
C. -c
D. none of these
Answer : B

34. main() returns a value of type
A. real
B. char
C. int
D. null
Answer : C

35. In a class, only the member function can access data, which is not accessible to outside. This feature is called:
A. Data security
B. Data hiding
C. Data manipulation
D. Data definition
Answer : B

36. The template function declaration specifies
A. template class
B. a generic class
C. exception
D. identifier
Answer : B

37. In C++, the keyword auto can be used for
A. Automatic assignment of data to object during instantiation
B. Automatic call of a function
C. To declare a local variable
D. It is not a keyword in C++
Answer : C

38. Static member functions have file scope.
A. True
B. False
C.
D.
Answer : A

39. Friend function have access to the
A. private and protected members
B. public members only
C. private members only
D. None of the above are correct
Answer : B

40. Public data members can be accessed
A. Only from the base class itself
B. Both form the base class and from its derived classes
C. From the class which is friend of the base class
D. None of the above are correct
Answer : B

41. Element double Array[7] is which element of the array?
A. sixth
B. seventh
C. eighth
D. impossible to tell
Answer : C

42. Static data member can be declared as const too.
A. True
B. False
C.
D.
Answer : A

43. When you overload an arithmetic assignment operator, the result
A. Goes in the object to the right of the operator
B. Goes in the object to the left of the operator
C. Goes in the object of which the operator is a member
D. Must be returned
Answer : B

44. The member of a structure can be accessed through a pointer by
A. ->
B. dot operator
C. ::
D. >>
Answer : A

45. The exception is processed using
A. unexpected()
B. perform()
C. catch()
D. try()
Answer : C

46. A variable defined within a block is visible
A. From the point of definition onwards in the program
B. From the point of definition onwards in the function
C. From the point of definition onwards in the block
D. Throughout the function
Answer : C

47. The getch() library function
A. Returns a character when any key is pressed
B. Returns a character when ENTER is pressed
C. Display a character on the screen when a key is pressed
D. Does not display a character on the screen
Answer : A

48. iostream is inheried from istream, ostream and ios class.
A. True
B. False
C.
D.
Answer : B

49. The following syntax is valid. void inline gram_ panchayat :: show_gram_ panchayat_info().
A. True
B. False
C.
D.
Answer : B

50. In a for loop with a multi-statement loop body, semicolons should appear following
A. The for statement itself
B. The closing brace in a multi-statement loop body
C. Each statement within the loop body.
D. The test expression
Answer : C