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

    33.3%
  2. After high school, but before graduate school

    50.0%
  3. Graduate school or later

    16.7%
  4. Never

    0 vote(s)
    0.0%
  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 7,519
    Homework Helper

    What attachment?
     
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