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The circuit simulated is as shown in the below image
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Click the input switches to select the required inputs named "x", "y", "z" and "w". Switch in the "ON" state is
and "OFF" state is
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The simulation will display corresponding output. Output is displayed as a glowing bulb
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Press the "RUN" button to display the output in the truth table. Verify the input values and corresponding output values from the truth table
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"reset" button clears all entries of truth table and resets the simulator
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At specific positions, small switches make the lines stuck-at-0. Clicking them simulates SA0 faults at the said locations. Line is stuck-at-0 if
. The line is
normal if switch is green 
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Repeat above steps for all possible inputs and verify the truth table.
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Press the "Print" button after completing your simulation to get your results.
The simulation should be displayed as shown:
