Logic Gates (OR and AND) Wave Form Diagrams

When did you learn Logic Gates?

Poll closed Sep 24, 2011.
  1. During or before high school

  2. After high school, but before graduate school

  3. Graduate school or later

  4. Never

    0 vote(s)
  1. If you take a look at the attachment that I have posted, you will see 4 wave diagrams labeled A, B, C, D, respectively. My objective to is to answer the questions after the A-D diagrams.

    The first one is a AND logic gate with A and B. So how would I combine A and B. Do I draw only the highs of both and just copy the length of their intersection or what? Please be descriptive.

    How would I draw the wave diagrams for OR? Is it when either of A or B has high point I draw it on my graph?

    Thank you for your help.
    Last edited: Sep 10, 2011
  2. jcsd
  3. rcgldr

    rcgldr 7,696
    Homework Helper

    What attachment?
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