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This is Chapter 1 of Randall Hyde's book, "Art of Assembly Language." It describes the binary and hexadecimal numbering systems, binary data organization (bits, nibbles, bytes, words, and double words), signed and unsigned numbering systems, arithmetic, logical, shift, and rotate operations on binary values, bit fields and packed data, and the ASCII character set.
Decimal to Hexadecimal Conversion Table
This chart converts the numbers 1-255 from decimal to hexadecimal form.
Hexadecimal Color Codes
A large hexidecimal chart shows the base-16 codes that represent the red, blue and green values in colors for the Web.