A system is based on an $8-$bit microprocessor and has two I$/$O devices. The I$/$O controllers for this system use separate$-$control and status registers. Both devices handle data on a $2-$byte at a time basis. The first device has two status lines and three control lines. The second device has three status lines and four control lines. Justify your answer for the following

a$.$ How many $8-$bit I$/$O control module registers do we need for status reading and control of each device?

b$.$ What is the total number of needed control module registers given that the first device is an output$-$only device?

c$.$ How many distinct addresses are needed to control the two devices?

$(08$ Marks$)$