Consider the following code$//$ Title : sw$2$ledmodule sw$2$led $($sw$,$led$)$ ;$//------------$ Port declarations $---------//$input $[7$:$0]$ sw;wire $[7$:$0]$ sw;output $[7$:$0]$ led;wire $[7$:$0]$ led;$//-----------$ Signal declarations $--------//$wire $[7$:$0]$ BUS$7$;$//-----------$ Terminals assignment $--------////----$ Input terminals $---//$assign BUS$7[7$:$0]=$ sw$[7$:$0]$;$//----$ Output terminals $---//$assign led$[7$:$0]=$ BUS$7[7$:$0]$;endmodule$($a$)$ What is the purpose of $//($b$)$ What is the name of this module?$($c$)$ What are the names of the ports in this module?$($d$)$ How many wires are in BUS$7?$