5555555555111. How many inputs of a four-input AND gate must be HIGH in order for the output of the logic gate to go HIGH? (a) any one of the inputs (b) any two of the inputs (c) any three of the inputs (d) all four inputs
555555555563. The output of an OR gate with three inputs, A, B, and C, is LOW when ________. (a) A = 0, B = 0, C = 0 (b) A = 0, B = 0, C = 1 (c) A = 0, B = 1, C = 1 (d) all of the above
5555555555124. When does the output of a NAND gate = 1? (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
5555555555138. Implementation of the Boolean expression results in ________. (a) three AND gates, one OR gate (b) three AND gates, one NOT gate, one OR gate (c) three AND gates, one NOT gate, three OR gates (d) three AND gates, three OR gates