Subtractors and adders

Discussion in 'Homework Help' started by chroncile, Apr 8, 2010.

  1. chroncile

    Thread Starter New Member

    Mar 27, 2010
    13
    0
    Hi, I am having trouble understanding the mathematical part behind subtractors and adders.

    Could anyone please explain it to me?

    Here is an example:

    A1A2A3A4​
    - B1B2B3B4​
    ---------​
    Y1Y2Y3Y4Y5​
     
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
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