Question 1
Rectification is the process of changing
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inputs to outputs.
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voltage to current.
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AC to DC.
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DC to AC.
Question 2
The basic rule for an XOR gate is
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if one or more inputs are 1, the output is 1.
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if one or more inputs are 1, the output is 0.
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if one or the other, but not both, inputs are 0, the output is 0
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if one or the other, but not both, inputs are 1, the output is 1.