Writing a Research-Based Argumentative Essay about Technology — Unit test

Question 18 • S1S: English 9B (E2112 - AG)

Which excerpt from "The Enigma Machine” supports the claim that German soldiers accidentally helped the Allies figure out the Enigma codes?

Answer

With the right settings, the recipient only needed to type in the encrypted text and the message would light up in plain text.

To use the Enigma machine, an operator typed a message into the machine, which would be scrambled by three rotors . . .

The Polish intelligence developed the "bomba", a complicated system of wires and rotors to scan and decode messages within hours.

Typing in messages was a boring task, so operators took shortcuts, like choosing three letters in a row or other simple, predictable patterns.

Explanation

German operators sometimes chose simple, predictable letter patterns when setting up the Enigma machine. Those shortcuts gave the Allies useful clues for figuring out the codes, so choice D best supports the claim. The other excerpts describe how the machine worked or how the Polish intelligence service decoded messages, not how German soldiers accidentally helped.

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