Quiz submission record for quiz4-1-2 at Tue Jul 13 08:54:35 2004:

Your Answer for Question 1:
Flip-flops cannot change their outputs instantaneously. Time is needed to transfer inputs internally. Therefore, the input d must be stable for a short amount of time before the rising edge of the clock and remain stable for a short amount of time after the edge.  The two d flip-flops hooked up end-to-end does not violate this condition.  So, it should behave as expected. 

Your Answer for Question 2:
it can be used in robots to stimulate movements,
it can be used in remote control to respond to the button being pushed, and it can be used in video games to stimulate A.I.


Your unique submission ID is quiz4-1-2-cs61c-af-1089734075-1671.