i. Consider the synchronous sequential circuit, which is based on D flip flops, as shown below DA DB Dc Dp Clock- Reset a) Derive the state table and draw the state diagram for the circuit shown above. [8 marks] b) Specify the type of the state machine described by the circuit shown above. [1 marks] c) Based on your answer in (a), describe what the sequential circuit do. [2 marks] d) Redesign the circuit using JK flip flops. [8 marks]