555555555536. Exclusive-OR (XOR) logic gates can be constructed from what other logic gates? (a) OR gates only (b) AND gates and NOT gates (c) AND gates, OR gates, and NOT gates (d) OR gates and NOT gates
5555555555127. When does the output of a NOR gate = 0? (a) Whenever a 0 is present at an input (b) Only when all inputs = 0 (c) Whenever a 1 is present at an input (d) Only when all inputs = 1