Colossus and Code Breaking in World War II

Colossus and Code Breaking in World War II

Churchill CompSci Talks via YouTube Direct link

Shift registers

23 of 28

23 of 28

Shift registers

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Colossus and Code Breaking in World War II

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  1. 1 Intro
  2. 2 Some context
  3. 3 Lorenz, Tunny and the German high command
  4. 4 Demo
  5. 5 Machine structure
  6. 6 Notation
  7. 7 Using a depth
  8. 8 Mathematical reconstruction
  9. 9 Describing the machine
  10. 10 Workflow at Beltchley
  11. 11 Tutte's 1 + 2 break in
  12. 12 Characterization of AD
  13. 13 Heath Robinson
  14. 14 Ideas behind Colossus
  15. 15 The problems
  16. 16 Output of Colossus
  17. 17 Colossus Mk1
  18. 18 Tape reader
  19. 19 Vacuum tubes
  20. 20 wheel pattern generation
  21. 21 Integrator capacitor circuits
  22. 22 A generation
  23. 23 Shift registers
  24. 24 Programmable logic
  25. 25 Counters
  26. 26 An example run
  27. 27 Success
  28. 28 Influence

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