Match the device in column I with its function from column II$.$

$\backslash$table$[[$COLUMN I,COLUMN II$],[($A$)$ Decoder,$\backslash$table$[[(1)$ Produces binary$-$coded output corresponding to the activated$],[$input$.]]],[($B$)$ Encoder,$(2)$ Activates one output corresponding to the binary input code.$],[($C$)$ ALU,$\backslash$table$[[(3)$ Switches one of several input channels to a single output$],[$channel$.]]],[($D$)$ Multiplexer,$\backslash$table$[[(4)$ Collection of arithmetic and logic circuits used to perform all of$],[$the arithmetic and logic operations in a computer.$]]]]$