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Q1. (20 pts) Fill in the truth table below, for the transistors TR1, TR2, TR3, TR4 you should write the states of the transistors whether ON ( ) or OFF () for each input combination. For output Y=F(A,B,C) you should fill the table output column Y by either 0 or 1 . Write the minimal boolean equation by using karnaugh map method for output function Y corresponding to the below circuit in terms of inputs A, B and C, show intermediate steps