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Kapittel 5 · Digital elektronikkbinary numbers

Counting in Hexadecimal: Four Bits, One Symbol

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Hexadecimal as a packing of binary — every 4-bit nibble maps to exactly one hex symbol 0..F; an 8-bit byte becomes two hex digits. The radix is base 16 with place values 16⁰, 16¹, 16², which is why programmers prefer hex for memory addresses, byte patterns, and machine code.

hexadecimalbinarynibblebyteplace valuenumber system
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