Full adder/subtractor

Discussion in 'Homework Help' started by b0nk3rs, Feb 19, 2008.

  1. b0nk3rs

    Thread Starter New Member

    Feb 19, 2008
    9
    0
    Please help me about my project. I'm supposed to design a full adder/subtractor... it should only have two inputs and another more input for switching between the adder and subtractor. Does anyone here have a schematic diagram for this circuit? I'd really appreciate it if you would help me
     
  2. recca02

    Senior Member

    Apr 2, 2007
    1,211
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  3. scubasteve_911

    Senior Member

    Dec 27, 2007
    1,202
    1
    It's a lot more fun designing it. Don't shy away from learning logic and state machines, it really isn't that horrific to learn and plenty useful.

    Steve
     
  4. b0nk3rs

    Thread Starter New Member

    Feb 19, 2008
    9
    0
    thanks for the help... I really wish I could design it...unfortunately i'm already time pressured :(
     
  5. sumeshavani

    New Member

    Apr 22, 2008
    1
    0
    i alredi design the 4 bit-adder n subtractor..i realy dunnu how to insert switching system there..any1 can help??i really need for fyp...:confused:
     
  6. emakuh

    New Member

    Feb 20, 2009
    1
    0
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