Synchronous sequential logic

$1-$ Draw the graphic symbol for JK$-$FF and write its function table

$2-$ Draw the graphic symbol for T$-$FF and write its function table

$3-$ Design a sequential circuit that implements the following state diagram using

a$.$ D$-$FF

b$.$ T$-$FF

c$.$ JK$-$FF

$4-$ Design a sequential circuit that implements the following state diagram using

a$.$ D$-$FF

b$.$ T$-$FF

c$.$ JK$-$FF