Question

1. What is function signature?
2. What is member funtion?

Answer 1

Explanation:

A function signature (or type signature, or method signature) defines input and output of functions or methods. A signature can include: parameters and their types. a return value and type. exceptions that might be thrown or passed back.

Member functions are operators and functions that are declared as members of a class. Member functions do not include operators and functions declared with the friend specifier. These are called friends of a class. ... The definition of a member function is within the scope of its enclosing class.