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<title>位深</title>
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<h2 class="pHeading2">
位深
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是指储存有关像素的颜色信息所需的数据位数。位深较大说明颜色信息的范围较大足以对每个像素进行编码。例如，内存的 1 位二进制仅可以编码为 &quot;0&quot;或 &quot;1&quot;。因此，1 位图形位深表明显示器仅可显示两种颜色，即单色显示器中的黑色和白色。由于 4 个数据位仅可以有 16 种不同的组合（&quot;0000&quot;、&quot;0001&quot;、&quot;0010&quot;...直至 &quot;1111&quot;），4 位颜色位深就能够显示 16 种颜色。16 位能够产生 65,536 种颜色，24 位能够显示多达 16,777,216 种单独的颜色。
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