Difference between revisions of "Bitmask"
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Latest revision as of 23:22, 16 November 2012
A bitmask is a binary number which masks another to retrieve or to delete information. For example, a bitmask of %00001110 AND'd to a number with the value %10110011 would retrieve %00000010. Bitmasks can be used to extract small packets of data from a byte, to round a number to the nearest power of two, or see if two bytes are equal.
