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    Computing
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    Telecommunications Technology
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    Exam 3: The Evolution of Telecommunications Technology and Policy
  5. Question
    The ____________________ Switch Used a Cylinder with an Arm That
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The ____________________ Switch Used a Cylinder with an Arm That

Question 19

Question 19

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The ____________________ switch used a cylinder with an arm that brushed against rows of electrical contacts in a ratcheting motion.

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