-- card: 70225 from stack: in
-- bmap block id: 87177
-- flags: 0000
-- background id: 2707
-- name: #302
----- HyperTalk script -----
on openCard
  global group,rightone
  put 25 into group
  put "C" into rightone
  pass openCard
end openCard



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Question #25

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2G-2.2 What is the unlabeled block (?) in this block diagram of a Morse telegraphy station?

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A telegraph key

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A DTMF keypad

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A sidetone oscillator

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A microphone

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Correct answer is C