Shift register made out of D flipflops

Write a on how a when it is made out of and how it is used.

The paper must be in your own words, but based upon technical references. You must use at least 3 references and give a bibliography. The paper must be at least 3 pages, .

The format for citations of references can be found at.pdf” target=”_blank” rel=”nofollow noopener”>http://www.ieee.org/documents/ieeecitationref.pdf

Any quotes must be in quote marks and the references given.