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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.
Binary-coded decimal (BCD) is a binary encoding of decimal numbers where each digit is represented by a fixed number of bits, usually four or eight. Learn about the different types of BCD, their advantages and disadvantages, and their applications in computing and electronic systems.
Base64 is a group of schemes that transforms binary data into a sequence of 64 printable characters. Learn the design, alphabet, examples, and variants of Base64, and how it is used for data transfer and web applications.
Learn about the methods and standards of encoding binary data in plain text, such as Base64, Base32, and Base58. Compare the efficiency, programming language implementations, and uses of different binary-to-text encodings.
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 how to represent signed integers using two's complement, a common method on computers and fixed point binary values. See the procedure, theory, examples and tables of two's complement for different bit lengths.
Quaternary is a numeral system with four as its base, using the digits 0, 1, 2, and 3. Learn about its properties, conversion from binary, relation to other bases, and examples of quaternary numbers.
Learn how to encode negative numbers in binary systems using different methods, such as sign–magnitude, ones' complement, two's complement, and offset binary. See examples, history, and comparison of the advantages and disadvantages of each method.