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89 relations: Acknowledgement (data networks), ANSI escape code, Application layer, ASA carriage control characters, ASCII, Backspace, Baudot code, Bell character, Binary number, Bit, Bitwise operation, Biuro Szyfrów, Bob Bemer, C (programming language), C++, C0 and C1 control codes, Cancel character, Caps lock, Caret notation, Carriage return, Character (computing), Character encoding, Classic Mac OS, Code point, Communication protocol, Computer keyboard, Computer terminal, Computing, Control key, Control-C, CP/M, Cursor (user interface), Cyclic redundancy check, Decimal, Delete character, Digital Equipment Corporation, DOS, EBCDIC, End-of-Text character, End-of-Transmission character, End-of-Transmission-Block character, Enquiry character, Escape character, Escape sequence, Extended ASCII, File system, File Transfer Protocol, Filename, FLEX (operating system), GNU Compiler Collection, ..., Graphic character, Hypertext Transfer Protocol, In-band signaling, ISO 2047, ISO/IEC 8859, Microsoft Windows, Morse code, Newline, Null character, Number, Octal, OS-9, Out-of-band data, Page break, Personal computer, Programmable read-only memory, Programming language, Prosigns for Morse code, Punched card, Punched tape, Right-to-left, Scancode, Shift key, Shift Out and Shift In characters, Simple Mail Transfer Protocol, Software flow control, Substitute character, Synchronous Idle, Tab key, Telecommunication, Teletype Corporation, Unicode, Unix, Unix shell, VT100, Whitespace character, Word processor, Writing system, Zero-width non-joiner. Expand index (39 more) »
Acknowledgement (data networks)
In data networking, telecommunications, and computer buses, an acknowledgement (ACK) is a signal passed between communicating processes, computers, or devices to signify acknowledgement, or receipt of message, as part of a communications protocol.
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ANSI escape code
ANSI escape sequences are a standard for in-band signaling to control the cursor location, color, and other options on video text terminals.
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Application layer
An application layer is an abstraction layer that specifies the shared communications protocols and interface methods used by hosts in a communications network.
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ASA carriage control characters
ASA control characters are simple printing command characters used to control the movement of paper through line printers.
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ASCII
ASCII, abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication.
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Backspace
Backspace is the keyboard key that originally pushed the typewriter carriage one position backwards, and in modern computer systems moves the display cursor one position backwards,"Backwards" means to the left for left-to-right languages.
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Baudot code
The Baudot code, invented by Émile Baudot, is a character set predating EBCDIC and ASCII.
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Bell character
A bell code (sometimes bell character) is a device control code originally sent to ring a small electromechanical bell on tickers and other teleprinters and teletypewriters to alert operators at the other end of the line, often of an incoming message.
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Binary number
In mathematics and digital electronics, a binary number is a number expressed in the base-2 numeral system or binary numeral system, which uses only two symbols: typically 0 (zero) and 1 (one).
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Bit
The bit (a portmanteau of binary digit) is a basic unit of information used in computing and digital communications.
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Bitwise operation
In digital computer programming, a bitwise operation operates on one or more bit patterns or binary numerals at the level of their individual bits.
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Biuro Szyfrów
The Biuro Szyfrów (Polish for "Cipher Bureau") was the interwar Polish General Staff's Second Department's unit charged with SIGINT and both cryptography (the use of ciphers and codes) and cryptanalysis (the study of ciphers and codes, for the purpose of "breaking" them).
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Bob Bemer
Robert William Bemer (February 8, 1920 – June 22, 2004) was a computer scientist best known for his work at IBM during the late 1950s and early 1960s.
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C (programming language)
C (as in the letter ''c'') is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations.
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C++
C++ ("see plus plus") is a general-purpose programming language.
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C0 and C1 control codes
The C0 and C1 control code or control character sets define control codes for use in text by computer systems that use the ISO/IEC 2022 system of specifying control and graphic characters.
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Cancel character
In telecommunication, the term cancel character has the following meanings.
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Caps lock
Caps Lock is a button on a computer keyboard that, when pressed, causes all letters to be generated in capitals until deactivated.
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Caret notation
Caret notation is a notation for control characters in ASCII encoding.
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Carriage return
A carriage return, sometimes known as a cartridge return and often shortened to CR, or return, is a control character or mechanism used to reset a device's position to the beginning of a line of text.
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Character (computing)
In computer and machine-based telecommunications terminology, a character is a unit of information that roughly corresponds to a grapheme, grapheme-like unit, or symbol, such as in an alphabet or syllabary in the written form of a natural language.
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Character encoding
Character encoding is used to represent a repertoire of characters by some kind of encoding system.
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Classic Mac OS
Classic Mac OS is a colloquial term used to describe a series of operating systems developed for the Macintosh family of personal computers by Apple Inc. from 1984 until 2001.
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Code point
In character encoding terminology, a code point or code position is any of the numerical values that make up the code space.
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Communication protocol
In telecommunication, a communication protocol is a system of rules that allow two or more entities of a communications system to transmit information via any kind of variation of a physical quantity.
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Computer keyboard
In computing, a computer keyboard is a typewriter-style device which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.
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Computer terminal
A computer terminal is an electronic or electromechanical hardware device that is used for entering data into, and displaying or printing data from, a computer or a computing system.
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Computing
Computing is any goal-oriented activity requiring, benefiting from, or creating computers.
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Control key
In computing, a Control key is a modifier key which, when pressed in conjunction with another key, performs a special operation (for example, C); similar to the Shift key, the Control key rarely performs any function when pressed by itself.
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Control-C
Control-C is a common computer command.
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CP/M
CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created for Intel 8080/85-based microcomputers by Gary Kildall of Digital Research, Inc.
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Cursor (user interface)
In computer user interfaces, a cursor is an indicator used to show the current position for user interaction on a computer monitor or other display device that will respond to input from a text input or pointing device.
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Cyclic redundancy check
A cyclic redundancy check (CRC) is an error-detecting code commonly used in digital networks and storage devices to detect accidental changes to raw data.
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Decimal
The decimal numeral system (also called base-ten positional numeral system, and occasionally called denary) is the standard system for denoting integer and non-integer numbers.
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Delete character
In computing, the delete character (sometimes also called rubout) is the last character in the ASCII repertoire, with the code 127 (decimal).
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Digital Equipment Corporation
Digital Equipment Corporation, also known as DEC and using the trademark Digital, was a major American company in the computer industry from the 1950s to the 1990s.
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DOS
DOS is a family of disk operating systems.
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EBCDIC
Extended Binary Coded Decimal Interchange Code (EBCDIC) is an eight-bit character encoding used mainly on IBM mainframe and IBM midrange computer operating systems.
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End-of-Text character
The End-of-Text character (ETX) (hex value of 0x03, often displayed as ^C) is an ASCII control character used to inform the receiving computer that the end of the data stream has been reached.
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End-of-Transmission character
In telecommunication, an End-of-Transmission character (EOT) is a transmission control character.
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End-of-Transmission-Block character
In the C0 control code set used in ASCII, ETB is a short name for the End-of-Transmission-Block character (code 23, or 0x17, or ^W in caret notation).
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Enquiry character
In computer communications, enquiry is a transmission-control character that requests a response from the receiving station with which a connection has been set up.
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Escape character
In computing and telecommunication, an escape character is a character which invokes an alternative interpretation on subsequent characters in a character sequence.
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Escape sequence
An escape sequence is a series of characters used to change the state of computers and their attached peripheral devices, rather than to be displayed or printed as regular data bytes would be.
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Extended ASCII
Extended ASCII (EASCII or high ASCII) character encodings are eight-bit or larger encodings that include the standard seven-bit ASCII characters, plus additional characters.
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File system
In computing, a file system or filesystem controls how data is stored and retrieved.
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File Transfer Protocol
The File Transfer Protocol (FTP) is a standard network protocol used for the transfer of computer files between a client and server on a computer network.
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Filename
A filename (also written as two words, file name) is a name used to uniquely identify a computer file stored in a file system.
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FLEX (operating system)
The FLEX single-tasking operating system was developed by Technical Systems Consultants (TSC) of West Lafayette, Indiana, for the Motorola 6800 in 1976.
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GNU Compiler Collection
The GNU Compiler Collection (GCC) is a compiler system produced by the GNU Project supporting various programming languages.
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Graphic character
In ISO/IEC 646 (commonly known as ASCII) and related standards including ISO 8859 and Unicode, a graphic character is any character intended to be written, printed, or otherwise displayed in a form that can be read by humans.
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Hypertext Transfer Protocol
The Hypertext Transfer Protocol (HTTP) is an application protocol for distributed, collaborative, and hypermedia information systems.
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In-band signaling
In telecommunications, in-band signaling is the sending of control information within the same band or channel used for voice or video.
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ISO 2047
ISO 2047 (Information processing – Graphical representations for the control characters of the 7-bit coded character set) ISO/IEC 646 describes a graphical representation of the control characters for debugging purposes, such as may be found in the character generator of a computer terminal; it also establishes a two-letter abbreviation of each control character.
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ISO/IEC 8859
ISO/IEC 8859 is a joint ISO and IEC series of standards for 8-bit character encodings.
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Microsoft Windows
Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.
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Morse code
Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment.
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Newline
Newline (frequently called line ending, end of line (EOL), line feed, or line break) is a control character or sequence of control characters in a character encoding specification, e.g. ASCII or EBCDIC.
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Null character
The null character (also null terminator or null byte), abbreviated NUL, is a control character with the value zero.
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Number
A number is a mathematical object used to count, measure and also label.
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Octal
The octal numeral system, or oct for short, is the base-8 number system, and uses the digits 0 to 7.
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OS-9
OS-9 is a family of real-time, process-based, multitasking, multi-user operating systems, developed in the 1980s, originally by Microware Systems Corporation for the Motorola 6809 microprocessor.
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Out-of-band data
In computer networking, out-of-band data is the data transferred through a stream that is independent from the main in-band data stream.
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Page break
A page break is a marker in an electronic document that tells the document interpreter that the content which follows is part of a new page.
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Personal computer
A personal computer (PC) is a multi-purpose computer whose size, capabilities, and price make it feasible for individual use.
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Programmable read-only memory
A programmable read-only memory (PROM) or field programmable read-only memory (FPROM) or one-time programmable non-volatile memory (OTP NVM) is a form of digital memory where the setting of each bit is locked by a fuse or antifuse.
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Programming language
A programming language is a formal language that specifies a set of instructions that can be used to produce various kinds of output.
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Prosigns for Morse code
Procedure signs or prosigns are shorthand signals used in radio telegraphy procedures, for the purpose of simplifying and standardizing communications related to radio operating issues among two or more radio operators.
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Punched card
A punched card or punch card is a piece of stiff paper that can be used to contain digital data represented by the presence or absence of holes in predefined positions.
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Punched tape
Punched tape or perforated paper tape is a form of data storage, consisting of a long strip of paper in which holes are punched to store data.
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Right-to-left
In a right-to-left, top-to-bottom script (commonly shortened to right to left or abbreviated RTL), writing starts from the right of the page and continues to the left.
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Scancode
A scancode (or scan code) is the data that most computer keyboards send to a computer to report which keys have been pressed.
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Shift key
The shift key is a modifier key on a keyboard, used to type capital letters and other alternate "upper" characters.
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Shift Out and Shift In characters
Shift Out (SO) and Shift In (SI) are ASCII control characters 14 and 15, respectively (0x0E and 0x0F).
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Simple Mail Transfer Protocol
Simple Mail Transfer Protocol (SMTP) is an Internet standard for electronic mail (email) transmission.
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Software flow control
Software flow control is a method of flow control used in computer data links, especially RS-232 serial.
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Substitute character
A substitute character (␚) is a control character that is used in the place of a character that is recognized to be invalid or erroneous, or that cannot be represented on a given device.
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Synchronous Idle
Synchronous Idle (SYN) is the ASCII control character 22 (0x16), represented as ^V in caret notation.
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Tab key
The tab key (abbreviation of tabulator key or tabular key) on a keyboard is used to advance the cursor to the next tab stop.
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Telecommunication
Telecommunication is the transmission of signs, signals, messages, words, writings, images and sounds or information of any nature by wire, radio, optical or other electromagnetic systems.
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Teletype Corporation
The Teletype Corporation, a part of American Telephone and Telegraph Company's Western Electric manufacturing arm since 1930, came into being in 1928 when the Morkrum-Kleinschmidt Company changed its name to the name of its trademark equipment.
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Unicode
Unicode is a computing industry standard for the consistent encoding, representation, and handling of text expressed in most of the world's writing systems.
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Unix
Unix (trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.
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Unix shell
A Unix shell is a command-line interpreter or shell that provides a traditional Unix-like command line user interface.
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VT100
The VT100 is a video terminal, introduced in August 1978 by Digital Equipment Corporation (DEC).
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Whitespace character
In computer programming, white space is any character or series of characters that represent horizontal or vertical space in typography.
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Word processor
A word processor is a computer program or device that provides for input, editing, formatting and output of text, often plus other features.
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Writing system
A writing system is any conventional method of visually representing verbal communication.
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Zero-width non-joiner
The zero-width non-joiner (ZWNJ) is a non-printing character used in the computerization of writing systems that make use of ligatures.
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Redirects here:
Control characters, Control code, Control codes, Ctrl character, Ctrl characters, Non-printable character, Non-printing character, Nonprintable character, Nonprinting character, PU1, PU2, Unprintable characters.
References
[1] https://en.wikipedia.org/wiki/Control_character
