What logical operation does a NOR gate perform?
- A. It produces a logic "0" at its output only if all inputs are logic "0"
- B. It produces a logic "1" at its output only if all inputs are logic "1"
- C. It produces a logic "0" at its output if any or all inputs are logic "1"
- D. It produces a logic "1" at its output only when none of its inputs are logic "0"