• What logical operation does a NAND gate perform?
• A It produces logic “0” at its output only when all inputs are logic “1”
• B It produces logic “1” at its output only when all inputs are logic “1”
• C It produces logic “0” at its output only when all inputs are logic “0”
• D It produces logic “0” at its output if some but not all inputs are logic “1”

Answer A