Basics of flip flop
The S-R flip flop is the simplest and easiest circuit to understand. Truth Table: J-K Flip-flop. The JK flip flop is used to remove the drawback of the S-R flip flop, i.e., undefined states. The JK flip flop is formed by doing modification in the SR flip flop. The S-R flip flop is improved in order to construct the J-K flip flop.