The number and type of arguments of a function are known as …………… .

The first line of function definition that tells about the type of return value along with number and type of arguments is called …………… .

Function not returning any value has return type as :

1. int
2. char
3. float
4. void

A function can return …………… values.

1. 1
2. 2
3. 3
4. all the above