The function call in which the data in actual parameters get changed is known as …………… .

1. Call by Value
2. Call by Reference
3. Return by Value
4. Return by Reference

The function that changes the state of its parameters is called …………… .

1. pure function
2. impure function
3. change function
4. none of the above

Which of the following is not an advantage of functions ?

1. it helps cope up complexity in programs
2. it makes subprograms reusable
3. it hides the implementation details
4. it offers mathematical solutions of problems

Name the keyword that causes the control to transfer back to the method call.