Binary and Hexadecimal: Positional Notation, Bits, Bytes and Conversions
Hex is shorthand for binary because every two characters map to exactly one byte: four bits make one hex digit. Positional notation, converting by hand, C# and TypeScript literals and formats, reading color codes, GUIDs, hashes and magic numbers, and why a 500 GB disk shows 465 GB in Windows.
14 Nov 2026
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13 min
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5
