I had several questions about the homework and logic gates. I found several instructional videos demonstrating the different logic gates. Don't worry so much about recognizing the shapes or creating a graphical tree of the logic gates. The important factor is that you understand the resulting ladder logic instructions, to achieve a specific outcome for the process. Logic gates are used to develop the necessary rung of instructions, minimizing trial and error and programming time.
Video - AND gate
Video - OR gate
Video - NOT gate
Video - NAND gate
Video - NOR gate
Video - XOR gate
Digital Logic references, including Logic Gates.
Please share your thoughts or resources if you find other materials that may explain boolean math, logic gates, or digital circuits.
Thanks,
Peter
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