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Binary code is a system of representing text, instructions or data using two symbols, usually 0 and 1. Learn about the origin of binary code, its applications in computing and telecommunications, and other forms of binary code such as Braille and bagua.
Learn about the invention, development and applications of barcodes, a method of representing data in a visual, machine-readable form. Find out how barcodes evolved from linear to 2D, and how they are used in supermarkets, railroads and other industries.
A binary number is a number expressed in the base-2 numeral system, using only two symbols: 0 and 1. Learn about the origins and applications of binary numbers in various cultures and fields, from ancient Egypt and China to modern computers and cryptography.
Learn about different binary codes that represent text as a sequence of binary digits "0" and "1". Compare fixed-width and variable-width codes, and see examples of five-, six-, seven-, eight-, and 16-bit codes.
Bit numbering is the convention used to identify the bit positions in a binary number. LSb stands for least significant bit, the bit position in a binary integer representing the binary 1s place of the integer. MSb stands for most significant bit, the highest-order bit of the binary integer.
Learn the history and usage of the essential commands for transferring data between applications on a computer. Find out how they are implemented in different operating systems and user interfaces, and what are the privacy and regulatory issues involved.
A comprehensive table of symbols used in logic, with their names, readings, categories, explanations, and examples. Includes basic logic symbols, such as ⇒, ⇔, ¬, ∧, ∨, and ⊕, as well as symbols for propositional logic, Boolean algebra, and other fields.
The Berkeley Fast File System superblock format is identified as either 19 54 01 19 or 01 19 54 depending on version; both represent the birthday of the author, Marshall Kirk McKusick. The Master Boot Record of bootable storage devices on almost all IA-32 IBM PC compatibles has a code of 55 AA as its last two bytes.