555555555516. A demultiplexer has ________. (a) one data input and a number of selection inputs, and they have several outputs (b) one input and one output (c) several inputs and several outputs (d) several inputs and one output
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
555555555526. The differential amplifier has (a) one input and one output. (b) two inputs and two outputs. (c) two inputs and one output. (d) one input and two outputs.