-- card: 112114 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 2707
-- name: #296
----- HyperTalk script -----
on openCard
  global group,rightone
  put 26 into group
  put "B" into rightone
  pass openCard
end openCard



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Question #296

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N8A01  How is CW usually transmitted?

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By frequency-shift keying an RF signal

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By on/off keying an RF signal

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By audio-frequency-shift keying  an oscillator tone

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By on/off keying  an audio-frequency signal

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Correct answer is B