1. Determine the output X for the 2-input AND gate with the input waveforms show

Question

1. Determine the output X for the 2-input AND gate with the input waveforms shown.





The accompanying diagram above shows a two input AND gate on the left and the timing diagram for the circuit on the right hand side of the diagram.
The AND gate has two inputs labeled “A” and “B” with an output, labeled “X”.
Three waveforms are lined up by time in this illustration to show the relationship between the inputs and outputs of the AND gate at any point in time. The three waveforms are labeled A, B and X. A and B represent the input voltage values and X represents the output voltage value of the AND gate. Eight complete time periods are shown. The values at these time periods are:
Period 1: A is a low value and B is a low value, X is not shown.
Period 2: A is high value, B is a low value, X is not shown.
Period 2: A is high value, B is a high value, X is a not shown.
Period 3: A is low value, B is a low value, X is not shown.
Period 4: A is low value, B is a high value, X is not shown.
Period 5: A is low value, B is a low value, X is not shown.
Period 6: A is high value, B is a high value, X is not shown.
Period 8: A is a low value and B is a low value, X is not shown.

2. Determine the output X for the 2-input OR gate with the input waveforms shown.




The accompanying diagram above shows a two input OR gate on the left and the timing diagram for the circuit on the right hand side of the diagram.
The OR gate has two inputs labeled “A” and “B” with an output, labeled “X”.
Three waveforms are lined up by time in this illustration to show the relationship between the inputs and outputs of the OR gate at any point in time. The three waveforms are labeled A, B and X. A and B represent the input voltage values and X represents the output voltage value of the OR gate. Eight complete time periods are shown. The values at these time periods are:
Period 1: A is a low value and B is a low value, X is not shown.
Period 2: A is high value, B is a low value, X is not shown.
Period 2: A is high value, B is a high value, X is a not shown.
Period 3: A is low value, B is a low value, X is not shown.
Period 4: A is low value, B is a high value, X is not shown.
Period 5: A is low value, B is a low value, X is not shown.
Period 6: A is high value, B is a high value, X is not shown.
Period 8: A is a low value and B is a low value, X is not shown.

Explanation / Answer

to answer this question knowing the truth table of and gate is necessary truth table of and gate is A B X 0 0 0 0 1 0 1 0 0 1 1 1 Period 1: A is a low value and B is a low value, X is a low value Period 2: A is high value, B is a low value, Xis a low value Period 2: A is high value, B is a high value, X is a high value. Period 3: A is low value, B is a low value, X is a low value Period 4: A is low value, B is a high value, X is a low value. Period 5: A is low value, B is a low value, X is a low value Period 6: A is high value, B is a high value, X is a high value Period 8: A is a low value and B is a low value, X is a low value

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