Consider the following code

$//$ Title : sw$2$led

module sw$2$led $($sw$,$ led$)$ ;

$//--------------$ Port declarations

$/1$

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 $7?$