Transistor schematic
Logic
Level
3
Which of the following functions is represented by the above transistor schematic?
Z = X NAND Y
Z = X NOR Y
Z = X OR Y
Z = X AND Y
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1 solution
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Whenever X or Y is 5 V( or both), one of the transistors becomes ON and hence Z is grounded(0 V). But if both of them are 0 V, both transistors are OFF and hence Z is directly connected to the source battery and hence Z=5 V. This is indirectly the digital logic NOR gate. (Basic Digital Electronics)