Two 74148s are connected in Figure P8-17 to form an active-LOW input, active-LOW output hexadecimal (16-line-to-4-line) priority encoder. Show the logic levels on each line in Figure P8-17 for encoding an input hexadecimal C (12) to an output binary 1100 (active-LOW 0011).
Figure P8-17

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16-Line active-LOW input 0 ī 2 3 4 5 6 7 9 10 11 12 13 14 15 I, 1 12 13 I4 Is I6 I7 I, 1 1, 13 I4 I5 16 17 EI EI 74148 74148 A2 EO Ao A1 A2 GS EO Ao A1 GS NC NC AND gates 20 2! 22 23 Four-line active-LOW encoded output