Find the total amount of memory, in the units requested, for each of the following CPUs, given the size of the address buses:

CHAPTER $0$: INTRODUCTION TO COMPUTING

$($a$)16-$bit address bus $($in $K)$

$($b$)24-$bit address bus $($in megs$)$

$($c$)32-$bit address bus $($in megabytes and gigabytes$)$

$($d$)48-$bit address bus $($in megabytes, gigabytes, and terabytes$)$