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<p>bits in the unit of storage, such as a <a href="page.php?w=byte">byte</a> or <a href="page.php?w=Word_%28computer_architecture%29">word</a>, and k is some positive integer. If w does not divide the number of bits to be stored, some space is wasted due to <a href="page.php?w=Fragmentation_%28computing%29">internal fragmentation</a>.</p>

<p><big> Definition </big></p>
<p>A bit array is a mapping from some domain (almost always a range of integers) to values in the set . The values can be interpreted as dark/light, absent/present, locked/unlocked, valid/invalid,</p><p>
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