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If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be

  • A.216
  • B.65,536
  • C.64K
  • D.Any of the above

Answer: B

Correct answer: Any of the above

All three describe the same quantity. Sixteen address lines give \(2^{16}\) distinct combinations, and

\[ 2^{16} = 65{,}536 = 64 \times 1024 = 64\text{K} \]

so “\(2^{16}\)”, “65,536” and “64K” are three notations for one number.

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