$($a$)$ Based on the specified protocol, fill in a truth that hasENABLE andREAD$/$WRITE

as inputs and SEL and T as outputs.

$($b$)$ Find simplified expressions for SEL and T using Karnaugh maps.

$($c$)$ Implement the memory cell by completing the circuit of Figure $3\mathrm{.}14.$ Use any

gates you deem appropriate.