Q$5$:

$($a$)$ Draw the finite state machine diagram for an UP and DOWN counter that will

handle values in the range from $-2$ to $2.$ An external push$-$button will define the

direction of the counter i$.$e$.$ up for LOW logic and down for HIGH Logic. Your

answer should contain a table to define relationship among states and logic

status of the push button and relating state machine diagram.