Depends on what kind?whats a flip flop???
http://en.wikipedia.org/wiki/Flip-flop
http://en.wikipedia.org/wiki/Flip-flop_(electronics))
Read this – about 16 lines down should get you startedsay some applications please mate???
http://en.wikipedia.org/wiki/Microcontroller
Then try googling a bit – the rest is up to you.
EDIT: (Tell me what grade we get)
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