Number Systems Overview: Binary, Octal, Decimal, and Hexadecimal
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-2: Binary (Computer) The binary system uses only 2 symbols: 0 and 1. Each position represents a power of 2: Why Binary? Digital circuits have two states: current flows (1) or doesn't (0). Binary maps directly to this physical reality. Boolean logic (AND, OR, NOT) operates on binary values. All arithmetic, memory addressing, and data storage ultimately reduces…
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