Digital adders

Discussion in 'Homework Help' started by student_technician, Mar 19, 2015.

  1. student_technician

    Thread Starter New Member

    Dec 28, 2014
    18
    0
    Cant figure out how to add these binary waveforms.......
    Help please studying for exam

    Question 8

    tmrw 2015-03-19 18.17.02.jpg
     
  2. student_technician

    Thread Starter New Member

    Dec 28, 2014
    18
    0
    Okay, so I think I figured it out....confirmation still would be great.....so far for the first two bits I got

    A1 1 1
    A2 0 1
    B1 1 1
    B2 0 1
    Cin 0 0
    E1 0 0
    E2 1 1
    Co 0 1

    ***with the zeros and ones being digital representation of waveform....
     
  3. WBahn

    Moderator

    Mar 31, 2012
    17,757
    4,800
    We are mind readers. While we can take a pretty good guess which bits are the lsb and which are the msb, engineering is not about guessing. The question is drawing on context you are not providing to us, namely the specific interface of the 2-bit adder in your book.
     
  4. WBahn

    Moderator

    Mar 31, 2012
    17,757
    4,800
    Subject to the guessing game mentioned in the prior post, this looks correct.
     
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