Two's comp > Base 10 (1 Viewer)

[BronteGirl]

Can someone check this for me, I'm trying to convert two's comp. rep to base 10 rep.


Does;

0111= 7

1001= 9

01101= 13

1000= 8


I don't think ive done it wrong..Someone englighten me?

 

[MedNez]

Those binary numbers are correct in Base 10. I'm not sure about this two complement stuff?

 

[BronteGirl]

Those binary numbers are correct in Base 10. I'm not sure about this two complement stuff?

Yeah, that's whats throwing me off, the two's comp bit.
I think two's comp. means I have to 'flip' te binary before I change it to base 10..So that would mean 0111=1000, and in base 10 it would be 8. Maybe?

 

[sunny]

See if these help:
http://community.boredofstudies.org...rdware/37538/converting.html?highlight=binary
http://community.boredofstudies.org...ion-questions.html?highlight=two's+complement

 

[BronteGirl]

So, I guess they are right then.