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Design a 1-bit fulladder using a decoder and 2 "or" gates?

Discussion in 'Electronic Design' started by Davy, Oct 28, 2005.

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  1. Davy

    Davy Guest

    Hi all,

    There is another interview problem:

    Design a 1-bit fulladder using a decoder and 2 "or" gates?

    Any suggestions will be appreciated!
    Best regards,
    Davy
     
  2. Ol' Duffer

    Ol' Duffer Guest

    Sounds like mid-course time for Integrated Circuits 101.
    This is where all that hard studying pays off.
     
  3. Mac

    Mac Guest

    Well, I guess you have three inputs and two outputs. Maybe you should
    start by drawing a truth table?
     
  4. Fred Bartoli

    Fred Bartoli Guest

    Yep. Three inputs, two outputs.

    The inputs:
    - the job requirements,
    - the interviewee,
    - the interviewer,


    The outputs:
    - your new office,
    - the street.

    In your case, when we add the three input, you're immediatly carried to the
    street output.
     
  5. Fred Bartoli

    Fred Bartoli Guest

    "Fred Bartoli"
    Well, of course I didn't mean your case, but Davy's case :)
     
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