If a computer uses 16-bit Unicode for characters, how many different characters can it represent?

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A 16
B 256
C 65,536
D 1024

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Answer: C. 65,536

With n bits you can make 2^n different patterns. For 16 bits, 2^16 = 65,536, so 16-bit Unicode can represent 65,536 different characters. 256 is the count for 8 bits.

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If a computer uses 16-bit Unicode for characters, how many different characters can it represent?

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