2's complement

[nanna]

State the 4 steps to convert a negative number using 2's complement

[lats]

finding the 2's complement is just one more than 1's complement, which is pretty easy.  So find the 1's complement and then add 1

http://gs.fanshawec.on.ca/tlc/math270/1_6_Two%27s_Comp_Notation.htm if you get stuck....

[Tweed]

...and the ones compliment involves changing the 1s to 0s and vise versa. 

Two complement:

1. changing the 1s to 0s and vise versa.
2. add 1

3. ignore overflow

4. Bob's your uncle