$($a$)$ A typical control message in MOST protocol starts with the stream OxF$3$F$2$C$1$D$3$B$28791$CD$...$Show how the control message is accommodated in MOST$25$ frame.

$(2$ Marks$)$

$($b$)$ For a MOST$25$ channel that specifies a Boundary descriptor of $13,$ determine the balance of streaming data and packet data that can be sent using MOST$25$ protocol.

$(2$ Marks$)$

$($c$)$ For a MOST$50$ channel transferring isochronous data, if the boundary descriptor is $13$ and the sampling frequency is $48KHz$ determine the bandwidth showing the relevant calculation.

$(2$ Marks$)$

$($d$)$ If there are $12$ channels of stereo audio that needs to be sent using a MOST channel describe the mechanism for the same.

$(2$ Marks$)$