Negative number

Question

I would like to know are there how many official method to express negative number in binary system. Anyone know it , could you tell me this.Thank you.

Answer 1

Till now what i have known is
1)In binary if a number is positive the signed bit(left most bit) is 0 and 1 for negative.

I have used this technique in Booth's algorithm in my college curriculum ..

Negative representation:https://cs.calvin.edu/activities/books/rit/chapter5/negative.htm

This link does confirm this.. But if I'm wrong feel free to correct me...

Booth's algo:https://en.m.wikipedia.org/wiki/Booth's_multiplication_algorithm

Answer 2

Thank you for the answer.I will see what you tell me.👏