Bibliography lists 3 sources. A 7 page paper discussing the two separate forms of signals. Each one of the signals function differently and serve separate purposes. The technological world of today is quickly moving towards a digital communications system and eliminating much of the analog products. Although analog signal systems will undoubtedly still be employed in some uses most of technology will become digital.
Television is perhaps the most obvious form of digital communications signals.
Bibliography lists 5 sources. A 5 page paper that consider the progression of developments in digital communications for the invention of Morse code to the current processes of data communication transmissions. This paper explores the invention of morse code and facsimile transmission systems as the starting points for the more complex teletype and digital voice systems. Bibliography lists 3 sources. A 6 page research paper exploring the development of Digital Radio.