Write the VHDL code for a 41 multiplexor where each input to
     Write the VHDL code for a 4:1 multiplexor where each input to the multiplexor is a 16-bit unsigned integer.     
 
  
  Solution
A(input)
B(Input)
| A(input) | B(Input) | C(Input) | D(Input) | X(Outpu) | 
| 0 | 0 | 0 | 0 | 0 | 
| 0 | 0 | 0 | 1 | 0 | 
| 0 | 0 | 1 | 0 | 0 | 
| 0 | 0 | 1 | 1 | 0 | 
| 0 | 1 | 0 | 0 | 0 | 
| 0 | 1 | 0 | 1 | 1 | 
| 0 | 1 | 1 | 1 | 1 | 
| 1 | 0 | 0 | 0 | 0 | 
| 1 | 0 | 0 | 1 | 0 | 
| 1 | 1 | 0 | 0 | 0 | 
| 1 | 1 | 1 | 0 | 0 | 
| 1 | 1 | 1 | 1 | 1 | 

