1. Binary Code

2. Binary code
A 'binary code' represents Plain text|text or Instruction set|computer processor instructions using the binary number|binary number system's two binary Numerical digit|digits, 0 and 1. A binary code assigns a bit string to each symbol or instruction. For example, a binary String (computer science)|string of eight binary digits (bits) can represent any of 256 possible values and can therefore correspond to a variety of different symbols, letters or instructions.

3. Binary code
In a fixed-width binary code, each letter, digit, or other character is represented by a bit string of the same length; that bit string, interpreted as a binary number, is usually displayed in code tables in octal, decimal or hexadecimal notation

4. Binary code - History of binary code
After his ideas were ignored, he came across a classic Chinese text called i ching|I Ching or Book of Changes, which used a type of binary code

5. Binary code - History of binary code
Shannon's thesis became a starting point for the use of the binary code in practical applications such as computers, electric circuits, and more.

6. Binary code - Other forms of binary code
The bit string is not the only type of binary code. A binary system in general is any system that allows only two choices such as a switch in an electronic system or a simple true or false test.

7. Binary code - Braille
Braille is a type of binary code that is widely used by blind people to read and write. This system consists of 6-dot positions, three in each column. Each dot has two states: raised or not raised.

8. Binary code - Morse Code
Morse Code is a method of transmitting text information as a series of on-off tones, lights, or clicks. Any boolean system such as this, which encodes meaning, is a form of binary code.

9. Binary code - ASCII code
The ASCII|American Standard Code for Information Interchange (ASCII), uses a 7-bit binary code to represent text and other characters within computers, communications equipment, and other devices. Each letter or symbol is assigned a number from 0 to 127. For example, lowercase a is represented by as a bit string (which is 97 in decimal).

10. Binary code - Weight of binary codes
The weight of a binary code, as defined in the table of constant-weight codes, is the Hamming weight of the binary words coding for the represented words or sequences.

11. Binary code compatibility
'Binary code compatibility' (binary compatible or object code compatible) is a property of computing|computer systems, that means they can run the same executable code, typically machine code for a general purpose computer Central processing unit|CPU. Source code compatibility, on the other hand, means that code compilation|recompilation is necessary.

12. Extended Binary Coded Decimal Interchange Code
'Extended Binary Coded Decimal Interchange Code' ('EBCDIC') is an 8-bit character encoding used mainly on IBM mainframe and IBM midrange computer operating systems.

13. List of binary codes
This is a list of some 'binary codes' that are (or have been) used to represent Plain text|text as a sequence of binary digits 0 and 1. Fixed-width binary codes use a set number of bits to represent each character in the text, while in variable-length code|variable-width binary codes, the number of bits may vary from character to character.

14. List of binary codes - Six-bit binary codes
* BCD (6-bit)|Six-bit BCD (Binary Coded Decimal), used by early Mainframe computer|mainframe computers.

15. List of binary codes - Six-bit binary codes
* Braille - Braille characters are represented using six dot positions, arranged in a rectangle. Each position may contain a raised dot or not, so Braille can be considered to be a six-bit binary code.

16. List of binary codes - Seven-bit binary codes
* ASCII - The ubiquitous ASCII code was originally defined as a seven-bit character set. The ASCII article provides a detailed set of equivalent standards, and variants. In addition, there are various extensions of ASCII to eight-bits (see List of binary codes#Eight-bit binary codes|Eight-bit binary codes)

17. List of binary codes - Variable length binary codes
Data compression systems such as Lempel–Ziv–Welch are able to compress arbitrary binary data. They are therefore not binary codes themselves, but may be applied to binary codes to reduce storage needs

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