1000+ C++ Programming MCQ for GMAT [Solved]

1. A direct access file is:
A. A file in which recoreds are arranged in a way they are inserted in a file
B. A file in which records are arranged in a particular order
C. Files which are stored on a direct access storage medium
D. None of the above
Answer : C

2. Scope resolution operator has the highest precedence.
A. True
B. False
C.
D.
Answer : A

3. When a language has the capacity to produce new data type, it is said to be
A. Reprehensible
B. Encapsulated
C. Overload
D. Extensible
Answer : D

4. The string table in C++ holds the
A. string constants in your program
B. program statements in string form
C. variables whose type is of string
D. none of the above
Answer : A

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

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

7. In C++, the exception handler is invoked with a-
A. try block
B. throw exception
C. catch function
D. abort()
Answer : B

8. Which of the following are good reasons to use an object oriented language?
A. You can define your data types
B. Program statements are simpler than in procedural languages.
C. An OO program can be taught to correct its own errors.
D. It's easier to conceptualize an OO program.
Answer : A

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

10. 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

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

12. Protected 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

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

14. When accessing a structure member, the identifier to the left of the dot operator is the name of
A. Structure member
B. Structure tag
C. Structure variable
D. The keyword struct.
Answer : C

15. 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

16. Reference to an object behaves like a constant pointer.
A. True
B. False
C.
D.
Answer : B

17. The characteristic that data can be manipulated only through member functions that are part of the class is called
A. Encapsulation
B. Data dependency
C. Inheritance
D. Instantiation
Answer : A

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

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

20. Operator overloading is
A. Making C++ operators work with objects
B. Making C++ operators more then they can handle
C. Giving new meaning to existing c++ operators
D. Making new C++ operators
Answer : C

21. Class is similar to a variable.
A. True
B. False
C.
D.
Answer : B

22. One of the major disadvantage with late binding is
A. the source code should be made available at compile time
B. the program runs slower
C. dynamic variables can not be used in the program
D. static variables can not be used
Answer : B

23. Which of the following can legitimately be passed to a function?
A. A constant
B. A variable
C. A structure
D. A header file
Answer : B

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

25. It is possible to allow non member function access to private members of a class by declaring it as
A. public
B. friend
C. private
D. not possible
Answer : B

26. Dynamic memory can be allocated by the following declaration
A. new
B. volatile
C. static
D. ==
Answer : A

27. A member function can always access the data
A. In the object of which it is a member
B. In the class of which it is a member
C. In the object of the class of which it is a member
D. In the public part of its class
Answer : B

28. By default, C++ uses the following method of passing arguments
A. Call-by-Reference
B. Call-by-Value
C. Call-by-Pointer
D. None of the above
Answer : B

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

30. Private members of a structure can be accessed directly from the outside of the structure.
A. True
B. False
C.
D.
Answer : B

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

32. 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

33. "[]" Operator is a unary operator.
A. True
B. False
C.
D.
Answer : A

34. this' is an implicit pointer.
A. True
B. False
C.
D.
Answer : A

35. 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

36. 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

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

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

39. The value of 'this' pointer can be changed.
A. True
B. False
C.
D.
Answer : B

40. A function that is called automatically when an object is created is known as
A. instantiation
B. function prototype
C. constructor
D. structure
Answer : C

41. 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

42. 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

43. A class that contains at least one pure virtual function is called as
A. pure class
B. abstract class
C. base class
D. derived class
Answer : B

44. 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

45. The ?: can be used to replace
A. if-else statement
B. wild cards
C. no meaning in C++
D. returns the value
Answer : A

46. this' pointer has to be used while accessing data members in a member function.
A. True
B. False
C.
D.
Answer : A

47. 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

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

49. 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

50. Which of the following relationship is known as inheritancerelationship?
A. ‘has-a’ relationship
B. ‘is-a’ relationship
C. association relationship
D. none of the above
Answer : A