Write a C++ program that simulate a menu based binary number calculator. This calculate shall have the following five functionalities: 1. 1

2. Convert an integer to its binary representation in twos complement format

3. Add two binary numbers, both numbers are represented as a string of 0's and 1's

4. Provide sign extension for a binary number

5 Provide twos complement for a binary number.

5. Provide twos complement for a binary number.