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OOPS Formative Test-I
Contributed by: Reddy
  • 1. Pick the odd one out
A) boolean type
B) array type
C) None of the above
D) integer type
E) character type
  • 2. Which data type is used to represent the absence of parameters?
A) string
B) float
C) int
D) char
E) void
  • 3. What does ‘\a’ escape code represent?
A) alone
B) tabspace
C) form feed
D) alert
E) nextline
  • 4. Which type is best suited to represent the logical values?
A) integer
B) boolean
C) float
D) character
E) All of the above
  • 5. Which of the following accesses the seventh element stored in array?
A) array[7]
B) array(7)
C) array[6]
D) array(5)
E) array(6)
  • 6. What does a class in C++ holds?
A) macros
B) only functions
C) only data
D) All of the above
E) both data & functions
  • 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) union
C) type
D) typedef
E) structure
  • 9. Which of these following members are not accessed by using direct member access operator?
A) All of the above
B) private
C) protected
D) both private & protected
E) public
  • 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) inside that block only
C) None of the above
D) outside the program
  • 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) encapsulation
C) All of the above
D) inheritance
E) data binding
  • 15. A constructor that accepts __________ parameters is called the default constructor.
A) zero
B) one
C) three
D) four
E) two
  • 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) inline function
B) constructor
C) friend function
D) copy constructor
E) default constructor
  • 18. How many default constructors per class are possible?
A) Three
B) Multiple
C) One
D) All the above
E) Two
  • 19. Which of the following type of data member can be shared by all instances of its class?
A) protected
B) friend
C) static
D) private
E) public
  • 20. Which of the following gets called when an object goes out of scope?
A) constructor
B) virtual function
C) None
D) destructor
E) main
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