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