Pointers

1) Given int *ptr, x=50; which is the correct way to assign address of x variables to the pointer?

• a) Ptr=x;

• b) ptr=*x;

• c) x=ptr;

• d) ptr=&x;

2) Which unary operator returns the value of the variable located at the address specified by its operand?

• a) Indirection(*) operator

• b) address of (&) operator

• c) ++ operator

• d) --operator

3) Which one of the following operators can be applied to the pointer variables?

• a) division

• b) multiplication

• c) increment

• d) None of the above

4) A pointer to the current object is called

• a) This pointer

• b) Array of pointer

• c) Array of object

• d) None of the above

5) Which one of the following is unsupported C++ expression with respect to pointer ptr ?

• a) ptr+80

• b) ptr++

• c) ptr-100

• d) ptr * 100

6) Which one of the following is valid C++ expression with respect to pointer ptr1 and ptr2 ?

• a) ptr1 +ptr2

• b) ptr1 * ptr2

• c) ptr1 + 5

• d) ptr1 / 8

7) Which operator is called reference operator

• a) *

• b) &

• c) #

• d) ::

8) The operator used for dereferencing or indirection is called_____

• a) *

• b) &

• c) ->

• d) ->>

9) Data Type * Pointer

• a) Pointer Assignment

• b) Pointer invocation

• c) Pointer Declaration

• d) None of the above

10) Referencing a value through a pointer is called

• a) Direct calling

• b) Indirection

• c) Pointer referncing

• d) All of the above