The function call in which the data in actual parameters remain unchanged is known as …………… .

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

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

One function, many definitions, is called …………… .

1. function enlargement
2. function overloading
3. function loading
4. all 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