2. The gate function illustrated is an equivalent representation for an

  1. AND gate
  2. OR gate
  3. NAND gate
  4. NOR gate
  5. XOR gate

4 is WRONG. An alternate symbolic form for a NOR gate would be 2 bubbles attached to the inputs of an AND. This property comes from the DeMorgan property 

	NOR: (x + y)' = x'y'

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