2-to-1 4-bit multiplexer

Create a module named mux_2_1_4bit implementing a multiplexer with 2 inputs and 1 output. The input and output buses have 4 bits each.

Input

• @a@ and @b@ are the two 4 bit inputs.

• @sel@ is the selector.

Output

• @out@ is the 4 bit output; must be @b@ if @sel@ is $1$, @a@ otherwise.

Author

Javier de San Pedro Martín and Marta Miralpeix Anglerill

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