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Combinational Logic
Logic gates
Combinational circuits are built of five basic logic gates:
AND gate - output is 1 if BOTH inputs are 1
OR gate - output is 1 if AT LEAST one input is 1
XOR gate - output is 1 if ONLY one input is 1
NAND gate - output is 1 if AT LEAST one input is 0
NOR gate - output is 1 if BOTH inputs are 0
Logic gates
Combinational circuits are built of five basic logic gates:
AND gate - output is 1 if BOTH inputs are 1
OR gate - output is 1 if AT LEAST one input is 1
XOR gate - output is 1 if ONLY one input is 1
NAND gate - output is 1 if AT LEAST one input is 0
NOR gate - output is 1 if BOTH inputs are 0