41753169079241_page_44

41753169079241 | page 44 | https://thedailydialectics.com/pdfs/FIOA/41753169079241/41753169079241.pdf

each comprised of sequenct's of marks (MJ ald ‘Spaces (S). if we let one teletype signal be representéd ‘by M, or s, and the other teletype signal represented by M, or 5S, then at afty.‘instant of time, four possible states exist, i.e. M, M,. 8, S,, My S,, or S| M,. Each of these states is then…