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OOPS Formative Test-I
Contributed by: Reddy
  • 1. Pick the odd one out
A) integer type
B) array type
C) character type
D) None of the above
E) boolean type
  • 2. Which data type is used to represent the absence of parameters?
A) int
B) float
C) void
D) string
E) char
  • 3. What does ‘\a’ escape code represent?
A) alert
B) nextline
C) form feed
D) tabspace
E) alone
  • 4. Which type is best suited to represent the logical values?
A) boolean
B) integer
C) All of the above
D) float
E) character
  • 5. Which of the following accesses the seventh element stored in array?
A) array[7]
B) array(6)
C) array(5)
D) array(7)
E) array[6]
  • 6. What does a class in C++ holds?
A) both data & functions
B) macros
C) only data
D) only functions
E) All of the above
  • 7. Which is used to define the member of a class externally?
A) :
B) ::
C) ?:
D) @
E) #
  • 8. Which keyword is used to define the user defined data types?
A) def
B) type
C) structure
D) union
E) typedef
  • 9. Which of these following members are not accessed by using direct member access operator?
A) protected
B) All of the above
C) private
D) public
E) both private & protected
  • 10. Which special character is used to mark the end of class?
A) ::
B) .
C)
D) ;
E) //
  • 11. What is the syntax of user-defined data types?
A) typedef ExistingDataType NameByUser
B) def NameByUser ExistingDataType
C) None of the above
D) typedef NameByUser ExistingDataType
  • 12. What is the scope of typedef defined data types?
A) whole program
B) outside the program
C) inside that block only
D) None of the above
  • 13. What is the replacement of macros in C++
A) friend functions
B) conditional operator
C) inline functions
D) None of the above
  • 14. Which of the below are object oriented features
A) polymorphism
B) All of the above
C) encapsulation
D) inheritance
E) data binding
  • 15. A constructor that accepts __________ parameters is called the default constructor.
A) four
B) zero
C) two
D) three
E) one
  • 16. Destructor has the same name as the constructor and it is preceded by ______ .
A) #
B) %
C) ~
D) @
E) !
  • 17. __________ used to make a copy of one class object from another class object of the same class type.
A) default constructor
B) friend function
C) constructor
D) copy constructor
E) inline function
  • 18. How many default constructors per class are possible?
A) All the above
B) Two
C) Multiple
D) One
E) Three
  • 19. Which of the following type of data member can be shared by all instances of its class?
A) static
B) public
C) private
D) protected
E) friend
  • 20. Which of the following gets called when an object goes out of scope?
A) virtual function
B) constructor
C) None
D) main
E) destructor
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