7-Segment display with 4 keypads

Discussion in 'Homework Help' started by chroncile, Apr 5, 2010.

  1. chroncile

    Thread Starter New Member

    Mar 27, 2010
    13
    0
    I'm having trouble figuring out what this question is asking for:

    "Complete the following circuit so that the 7-segment indicates how many of the four numbers are even."

    Here is what she has given us:

    [​IMG]
     
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    Take an even number (4 bit binary) and an odd number. What distinguishes them?
     
  3. chroncile

    Thread Starter New Member

    Mar 27, 2010
    13
    0
    So, would it be even, odd, even, odd and so forth?

    Here is what I mean:

    A B C D Y
    0 0 0 0 1
    0 0 0 1 0
    0 0 1 0 1
    0 0 1 1 0
     
  4. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
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