Bit numbering
convention to identify bit positions within a byte, word, or bit string
In computing, bit numbering is the convention used to identify the bit positions in a binary number. The bits can be those in a memory byte or word, or those of an internal CPU register or data bus.
Bit significance and indexing
In computing, the least significant bit (LSb) is the bit position in a binary integer representing the lowest-order place of the integer. Similarly, the most significant bit (MSb) represents the highest-order place of the binary integer. The LSb is sometimes referred to as the low-order bit. Due to the convention in positional notation of writing less significant digits further to the right, the LSb also might be referred to as the right-most bit. The MSb is similarly referred to as the high-order bit or left-most bit. In both cases, the LSb and MSb correlate directly to the least significant digit and most significant digit of a decimal integer.
Bit indexing correlates to the positional notation of the value in base 2. For this reason, bit index is not affected by how the value is stored on the device, such as the value's byte order.
“Bit numbering” enters the record as convention to identify bit positions within a byte, word, or bit string. Crown Archives preserves that source wording while asking what numbering, convention and identify can confirm, complicate or overturn.
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This entry incorporates text from “Bit numbering” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.