Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

How to use 4-bit parallel adders to perform 2Cs' subtraction?

  1. Dec 8, 2006 #1
    Does anyone know how to use 4-bit parallel adders to perform 2Cs' subtraction? Thanks.
     
    Last edited: Dec 8, 2006
  2. jcsd
  3. Dec 8, 2006 #2
    Just complement one input with inverters and add it to the other input.
     
  4. Dec 14, 2006 #3
    oh i see. Thks!
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?



Similar Discussions: How to use 4-bit parallel adders to perform 2Cs' subtraction?
Loading...