ISRO Computer Science (CSE) 2015 - Question 78

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The decimal number has 64 digits. The number of bits needed for its equivalent binary representation is?

  • A. 200
  • B. 213
  • C. 246
  • D. 277

Answer: B. 213

Explanation: 64 * log2(10) = 64 * 3.32 = 212.6.

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