The flip flop is a one storage biteable device. The basic bistable device stores a binary of inputs value. the flip flops are categorized according to the number of inputs. The number of inputs may be one or more but output will always be two i e Q and Q ( normal and complemented respectively). The types of flip flop are SR flip flop p Clocked SR flip flop D flip JK flip flop T flip flop SR flip flop and D flip flop are explained in this section.