How+do+I+generate+numbers?


 * 1) Use Synchronous Counters: http://en.wikipedia.org/wiki/Counter#Synchronous_counter
 * 2) Use Clock signal with different period (Asynchronous Counters): http://en.wikipedia.org/wiki/Counter#Asynchronous_.28ripple.29_counter
 * 3) Use Linear Feedback Shift Register (Pseudo Random): @http://en.wikipedia.org/wiki/Linear_feedback_shift_register