How much time does an algorithm using 2⁵⁰ bit operations need if each bit operation takes 2⁻³⁸ seconds?
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Correct answer: A. 1 hour
Explanation
2⁵⁰ × 2⁻³⁸ = 2¹² = 4096 seconds ≈ 68 minutes — about 1 hour.
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