Which of the following statements regarding binary counters are correct?(a) Clock inputs of all the flip - flops of a synchronous counter are applied from the same source whereas those in an asynchronous counter are from different sources.(b) The asynchronous counter has ripple effects whereas the synchronous counter does not.(c) Only J-K flip-flops can be used in synchronous counters whereas asynchronous counters can be designed with any kind of flip flops.(d) Latches can be used for designing asynchronous counters.Code :

• A. (a), (b) and (d) only
• B. (a), (b) and (c) only
• C. (b) and (d) only
• D. (a), (c) and (d) only