Just do the truth table for this circuit.

Analysis of Combinational Circuits - Worksheet vor U3C 9 10 8 11 74LS27N w U2B 4 5 Nand Z U2C onuna 10 8 F 74LSOON 74LSOON 00 UBA Rows thcirut 24 = 16 1 2 113 . 12 X 74LS27N U2A D Nand U1A Y 1 Yat 2 74LSOON 74LSON D PRE-LAB TRUTH TABLE D' Y B 0 w Z Z A 0 0 F 00 olololo lo 1 1 1 Oololololo 0 1 1 0 0 1 1 0 0 1 1 - D 0 1 0 1 0 1 0 1 0 1 1 bobo Jola D 1 0 0 0 0 1 1 1 1 1 1 0 1 90 ololo olo 100 0 1 1 1 0 1 0 1 0 1 1 1 0 0 1 1 1 1 1 1 1 0