Answer these questions as you view the presentation on the birthday problem. Name ___________

  1. How many inputs are there in this problem? ___
  2. What do the inputs do? ___________________________
  3. How many outputs are in this problem? _____
  4. What will the outputs display? __________________
  5. Fill in what the outputs should be for a birthday of July 23, 1961 -->
  6. In a common anode LED display, what are pins 3 and 8 connected to? _________
  7. What value of resistor should be used to connect the input switch to the 7-segment display? _____________
  8. When is a segment ON in a common anode LED display? _______
  9. When is a segment OFF in a common anode LED display? _______
  10. To display a "0" on an anode 7-segment display, which segments should be set to low(0) ________________ and which to high(1)? ___________
  11. Fill in the chart showing the highs and lows for the output for each of the 7 segments a-g for a birthday of July 23, 1961.

    X

    Y

    Z

    DIGIT

    A

    B

    C

    D

    E

    F

    G

    0

    0

    0

     

     

     

     

     

     

     

     

    0

    0

    1

     

     

     

     

     

     

     

     

    0

    1

    0

     

     

     

     

     

     

     

     

    0

    1

    1

     

     

     

     

     

     

     

     

    1

    0

    0

     

     

     

     

     

     

     

     

    1

    0

    1

     

     

     

     

     

     

     

     

    1

    1

    0

     

     

     

     

     

     

     

     

    1

    1

    1

     

     

     

     

     

     

     

     

  12. Circle all the outputs in the column that control when the "A" segment will light up in the table above.
  13. Draw the K-Map for the segment "A".



  14. Draw the K-Map for the segment "B"



  15. List the supplies you would need to wire this circuit:


  16. Fill in the list for which pin on the 7-segment display corresponds to what. Number the pins on the diagram of the bottom side of the 7-segment display chip.
    1. _____
    2. _____
    3. _____
    4. _____
    5. _____
    6. _____
    7. _____
    8. _____
    9. _____
    10. _____