TOEFL iBT Listening

Lecture / Conversation

TOEFL · Lecture / Conversation

Listen to part of a lecture and answer the question.

Why does the professor call the Antikythera mechanism the oldest known analog computer?

Because it was the largest bronze object recovered from the shipwreckBecause its gears performed astronomical calculations such as predicting eclipsesBecause it was powered by electricity rather than by handBecause modern imaging was required to discover that it existed

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