Number Systems: Binary, Octal, Decimal, Hex
Binary, octal, decimal, and hex explained with conversion examples. Practical guide for developers working with low-level data and number representation.
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Number Systems: Decimal, Binary, Hexadecimal, and Octal Explained Every number you work with in computing can be represented in multiple bases. The same value — say, 255 — is in binary, in hexadecimal, in octal, and in decimal. These different representations are not different numbers — they are different ways to write the same quantity. Understanding why programmers use each system, and when, is a fundamental computing concept. --- Base-10: Decimal (Human) The decimal system uses 10 symbols: 0–9. Each position is worth 10 times the previous: Humans use base-10 because we have 10 fingers. Computers are not built around binary because of any inherent superiority — binary is just what transistors naturally implement (on/off, 1/0). --- Base-2: Binary (Computer) The binary system uses only 2…
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