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Computer Science 15 Online
OpenStudy (anonymous):

What is the largest unsigned integer that can be represented by two hexadecimal digits?

OpenStudy (rsmith6559):

Each hex digit represents a nybble, four bits, so two digits represent the value of a byte, eight bits.

OpenStudy (anonymous):

2^8

OpenStudy (rsmith6559):

Actually, 2^8 - 1

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