-- card: 90647 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 4601
-- name: #253
----- HyperTalk script -----
on openCard
  global group,rightone
  put 22 into group
  put "A" into rightone
  pass openCard
end openCard



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Question #253

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T8B02  What is modulation?

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Varying  a radio wave in some way to send information

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Receiving audio information from a  signal

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Increasing the power of a transmitter

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Suppressing the carrier in a single-sideband transmitter

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Correct answer is A