The method used by SIGSALY to encode messages was more effective than the method used by the Scrambler to encode messages. What evidence from the text best supports this conclusion?
a-More than 3,000 high-level conversations happened over SIGSALY, covering troop movements, equipment drops, and military strategy.
b-Marshall didn’t trust the Scrambler for his secure military communications, so he decided to send his message to Hawaii via telegraph code.
c-The SIGSALY system saw the first transmission of speech using pulse-code modulation and the first effective use of bandwidth compression to recreate speech.
d-The Germans were able to crack the code for the Scrambler, while no record has ever been found of the German or Japanese militaries decoding SIGSALY’s messages.
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The method used by SIGSALY to encode messages was more effective than the method used by the Scrambl...
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