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Rotor machine: Quiz

  
  

Question 1: His success was limited, however, and he went ________ in the 1920s.
DebtBond (finance)BankruptcyInsolvency

Question 2: ________, Friedrich Kasiski, and William F. Friedman are among those who did most to develop these techniques.
Charles BabbageSir George Stokes, 1st BaronetGeorge Biddell AiryIsaac Newton

Question 3: During ________ (WWII), both the Germans and Allies developed additional rotor machines.
Collaboration with the Axis Powers during World War IISecond Sino-Japanese WarSoviet occupationsWorld War II

Question 4: In the ________ Edward Hugh Hebern built a rotor machine using a single rotor in 1917.
CanadaUnited StatesAlaskaPhilippines

Question 5: The most widely known rotor cipher device is the German ________ used during World War II, of which there were a number of variants.
Rotor machineSiemens and Halske T52LacidaEnigma machine

Question 6: It was among the first software programs to run afoul of U.S. export regulations which classified ________ implementations as munitions.
SteganographySignals intelligenceCryptographyEspionage

Question 7: A software implementation of a rotor machine was used in the crypt command that was part of early ________ operating systems.
UnixGNU Core UtilitiesMan pageAWK

Question 8: A unique rotor machine was constructed in 2002 by ________-based Tatjana van Vark [1].
GermanyNetherlandsGreecePoland

Question 9: Another early rotor machine inventor was Dutchman Hugo Koch, who filed a ________ on a rotor machine in 1919.
Patent infringementSoftware patentPatent applicationPatent

Question 10: Mechanical: ________ | C-36 | C-52 | CD-57 | Cipher disk | HC-9 | Kryha | Jefferson disk | M-94 | M-209 | Reihenschieber | Scytale
Rotor machineEnigma machineJefferson diskCombined Cipher Machine
















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