Which of the following are correct about this block diagram? 17 16 Is 14 13 1 1 Io $1 $0 4x1 Multiplexer 4x1 Multiplexer It has 8 select bits This is a 4x1 Multiplexer It has 3 select bits It has 2 select bits This is a 16x1 Multiplexer This is a 8x1 Multiplexer 2x1 Multiplexer $2 Which of the following is the implementation of "x NAND y" gate using 2x1 Mux? a) b) c) d) 1 0 1 0 1 0 1 0 11 2X1 MUX 2X1 MUX 2X1 MUX 2X1 MUX 2X1 MUX 2X1 MUX 2X1 2X1 MUX Output Output (1) Output (M) Output (5)