Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Android™ device!
Free
Faster access than browser!
 

Digital data

+ Save concept

Digital data, in information theory and information systems, is the discrete, discontinuous representation of information or works. [1]

76 relations: Abacus, Alphanumeric, Analog signal, Analog-to-digital converter, ASCII, Beacon, Bell Labs, Binary number, Braille, Capitalization, Central processing unit, Character (computing), Character encoding, Code, Compact Cassette, Comparison of analog and digital recording, Compressibility, Computer keyboard, Computing, Continuous function, Data (computing), Data at rest, Data in transit, Data in use, Data transmission, Digit (anatomy), Digital architecture, Digital art, Digital audio, Digital control, Digital divide, Digital electronics, Digital infinity, Digital native, Digital photography, Digital physics, Digital recording, Digital Revolution, Digital video, Digital-to-analog converter, DNA, Electrical telegraph, Electronics, Error detection and correction, Finger, Flag semaphore, Formal language, Genetic code, George Stibitz, Granularity, ..., Home computer, Information Age, Information security, Information system, Information theory, International maritime signal flags, Internet forum, Interrupt, Joystick, Latin, Letter (alphabet), MIT Press, Modem, Modulation, Morse code, Noise (signal processing), Number, Pausa, Polling (computer science), Punctuation, Quantization (signal processing), Representation (mathematics), Sampling (signal processing), Science (journal), Smoke signal, Syncword. Expand index (26 more) »

Abacus

The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool that was in use in Europe, China and Russia, centuries before the adoption of the written Hindu–Arabic numeral system.

New!!: Digital data and Abacus · See more »

Alphanumeric

Alphanumeric is a combination of alphabetic and numeric characters, and is used to describe the collection of Latin letters and Arabic digits or a text constructed from this collection.

New!!: Digital data and Alphanumeric · See more »

Analog signal

An analog signal is any continuous signal for which the time varying feature (variable) of the signal is a representation of some other time varying quantity, i.e., analogous to another time varying signal.

New!!: Digital data and Analog signal · See more »

Analog-to-digital converter

In electronics, an analog-to-digital converter (ADC, A/D, or A-to-D) is a system that converts an analog signal, such as a sound picked up by a microphone or light entering a digital camera, into a digital signal.

New!!: Digital data and Analog-to-digital converter · See more »

ASCII

ASCII, abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication.

New!!: Digital data and ASCII · See more »

Beacon

A beacon is an intentionally conspicuous device designed to attract attention to a specific location.

New!!: Digital data and Beacon · See more »

Bell Labs

Nokia Bell Labs (formerly named AT&T Bell Laboratories, Bell Telephone Laboratories and Bell Labs) is an American research and scientific development company, owned by Finnish company Nokia.

New!!: Digital data and Bell Labs · See more »

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).

New!!: Digital data and Binary number · See more »

Braille

Braille is a tactile writing system used by people who are visually impaired.

New!!: Digital data and Braille · See more »

Capitalization

Capitalisation, or capitalization,see spelling differences is writing a word with its first letter as a capital letter (upper-case letter) and the remaining letters in lower case in writing systems with a case distinction.

New!!: Digital data and Capitalization · See more »

Central processing unit

A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.

New!!: Digital data and Central processing unit · See more »

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.

New!!: Digital data and Character (computing) · See more »

Character encoding

Character encoding is used to represent a repertoire of characters by some kind of encoding system.

New!!: Digital data and Character encoding · See more »

Code

In communications and information processing, code is a system of rules to convert information—such as a letter, word, sound, image, or gesture—into another form or representation, sometimes shortened or secret, for communication through a communication channel or storage in a storage medium.

New!!: Digital data and Code · See more »

Compact Cassette

The Compact Audio Cassette (CAC) or Musicassette (MC), also commonly called the cassette tape or simply tape or cassette, is an analog magnetic tape recording format for audio recording and playback.

New!!: Digital data and Compact Cassette · See more »

Comparison of analog and digital recording

Sound can be recorded and stored and played using either digital or analog techniques.

New!!: Digital data and Comparison of analog and digital recording · See more »

Compressibility

In thermodynamics and fluid mechanics, compressibility (also known as the coefficient of compressibility or isothermal compressibility) is a measure of the relative volume change of a fluid or solid as a response to a pressure (or mean stress) change.

New!!: Digital data and Compressibility · See more »

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.

New!!: Digital data and Computer keyboard · See more »

Computing

Computing is any goal-oriented activity requiring, benefiting from, or creating computers.

New!!: Digital data and Computing · See more »

Continuous function

In mathematics, a continuous function is a function for which sufficiently small changes in the input result in arbitrarily small changes in the output.

New!!: Digital data and Continuous function · See more »

Data (computing)

Data (treated as singular, plural, or as a mass noun) is any sequence of one or more symbols given meaning by specific act(s) of interpretation.

New!!: Digital data and Data (computing) · See more »

Data at rest

Data at rest in information technology means inactive data that is stored physically in any digital form (e.g. databases, data warehouses, spreadsheets, archives, tapes, off-site backups, mobile devices etc.). Data at rest is used as a complement to the terms data in use and data in transit which together define the three states of digital data (see Figure 1).

New!!: Digital data and Data at rest · See more »

Data in transit

Data in transit is defined into two categories, information that flows over the public or untrusted network such as the internet and data which flows in the confines of a private network such as a corporate or enterprise Local Area Network (LAN).

New!!: Digital data and Data in transit · See more »

Data in use

Data in use is an information technology term referring to active data which is stored in a non-persistent digital state typically in computer random-access memory (RAM), CPU caches, or CPU registers.

New!!: Digital data and Data in use · See more »

Data transmission

Data transmission (also data communication or digital communications) is the transfer of data (a digital bitstream or a digitized analog signal) over a point-to-point or point-to-multipoint communication channel.

New!!: Digital data and Data transmission · See more »

Digit (anatomy)

A digit is one of several most distal parts of a limb, such as fingers or toes, present in many vertebrates.

New!!: Digital data and Digit (anatomy) · See more »

Digital architecture

Digital architecture uses computer modeling, programming, simulation and imaging to create both virtual forms and physical structures.

New!!: Digital data and Digital architecture · See more »

Digital art

Digital art is an artistic work or practice that uses digital technology as an essential part of the creative or presentation process.

New!!: Digital data and Digital art · See more »

Digital audio

Digital audio is audio, or simply sound, signal that has been recorded as or converted into digital form, where the sound wave of the audio signal is encoded as numerical samples in continuous sequence, typically at CD audio quality which is 16 bit sample depth over 44.1 thousand samples per second.

New!!: Digital data and Digital audio · See more »

Digital control

Digital control is a branch of control theory that uses digital computers to act as system controllers.

New!!: Digital data and Digital control · See more »

Digital divide

A digital divide is an economic and social inequality with regard to access to, use of, or impact of information and communication technologies (ICT).

New!!: Digital data and Digital divide · See more »

Digital electronics

Digital electronics or digital (electronic) circuits are electronics that operate on digital signals.

New!!: Digital data and Digital electronics · See more »

Digital infinity

Digital infinity is a technical term in theoretical linguistics.

New!!: Digital data and Digital infinity · See more »

Digital native

The term digital native describes a person that grows-up in the digital age, rather than acquiring familiarity with digital systems as an adult, as a digital immigrant.

New!!: Digital data and Digital native · See more »

Digital photography

Digital photography is a form of photography that uses cameras containing arrays of electronic photodetectors to capture images focused by a lens, as opposed to an exposure on photographic film.

New!!: Digital data and Digital photography · See more »

Digital physics

In physics and cosmology, digital physics (also referred to as digital ontology or digital philosophy) is a collection of theoretical perspectives based on the premise that the universe is describable by information.

New!!: Digital data and Digital physics · See more »

Digital recording

In digital recording, audio signals picked up by a microphone or other transducer or video signals picked up by a camera or similar device are converted into a stream of discrete numbers, representing the changes over time in air pressure for audio, and chroma and luminance values for video, then recorded to a storage device.

New!!: Digital data and Digital recording · See more »

Digital Revolution

The Digital Revolution, also known as the Third Industrial Revolution, is the shift from mechanical and analogue electronic technology to digital electronics which began anywhere from the late 1950s to the late 1970s with the adoption and proliferation of digital computers and digital record keeping that continues to the present day.

New!!: Digital data and Digital Revolution · See more »

Digital video

Digital video is an electronic representation of moving visual images (video) in the form of encoded digital data.

New!!: Digital data and Digital video · See more »

Digital-to-analog converter

In electronics, a digital-to-analog converter (DAC, D/A, D2A, or D-to-A) is a system that converts a digital signal into an analog signal.

New!!: Digital data and Digital-to-analog converter · See more »

DNA

Deoxyribonucleic acid (DNA) is a thread-like chain of nucleotides carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.

New!!: Digital data and DNA · See more »

Electrical telegraph

An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via dedicated telecommunication circuit or radio.

New!!: Digital data and Electrical telegraph · See more »

Electronics

Electronics is the discipline dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors.

New!!: Digital data and Electronics · See more »

Error detection and correction

In information theory and coding theory with applications in computer science and telecommunication, error detection and correction or error control are techniques that enable reliable delivery of digital data over unreliable communication channels.

New!!: Digital data and Error detection and correction · See more »

Finger

A finger is a limb of the human body and a type of digit, an organ of manipulation and sensation found in the hands of humans and other primates.

New!!: Digital data and Finger · See more »

Flag semaphore

Flag semaphore (from the Greek σῆμα, sema, meaning sign and φέρω, phero, meaning to bear; altogether the sign-bearer) is the telegraphy system conveying information at a distance by means of visual signals with hand-held flags, rods, disks, paddles, or occasionally bare or gloved hands.

New!!: Digital data and Flag semaphore · See more »

Formal language

In mathematics, computer science, and linguistics, a formal language is a set of strings of symbols together with a set of rules that are specific to it.

New!!: Digital data and Formal language · See more »

Genetic code

The genetic code is the set of rules used by living cells to translate information encoded within genetic material (DNA or mRNA sequences) into proteins.

New!!: Digital data and Genetic code · See more »

George Stibitz

George Robert Stibitz (April 30, 1904 – January 31, 1995) was a Bell Labs researcher internationally recognized as one of the fathers of the modern first digital computer.

New!!: Digital data and George Stibitz · See more »

Granularity

Granularity (also called graininess), the condition of existing in grains or granules, refers to the extent to which a material or system is composed of distinguishable pieces or grains.

New!!: Digital data and Granularity · See more »

Home computer

Home computers were a class of microcomputers entering the market in 1977, and becoming common during the 1980s.

New!!: Digital data and Home computer · See more »

Information Age

The Information Age (also known as the Computer Age, Digital Age, or New Media Age) is a 21st century period in human history characterized by the rapid shift from traditional industry that the Industrial Revolution brought through industrialization, to an economy based on information technology.

New!!: Digital data and Information Age · See more »

Information security

Information security, sometimes shortened to InfoSec, is the practice of preventing unauthorized access, use, disclosure, disruption, modification, inspection, recording or destruction of information.

New!!: Digital data and Information security · See more »

Information system

An information system (IS) is an organized system for the collection, organization, storage and communication of information.

New!!: Digital data and Information system · See more »

Information theory

Information theory studies the quantification, storage, and communication of information.

New!!: Digital data and Information theory · See more »

International maritime signal flags

International maritime signal flags refers to various flags used to communicate with ships.

New!!: Digital data and International maritime signal flags · See more »

Internet forum

An Internet forum, or message board, is an online discussion site where people can hold conversations in the form of posted messages.

New!!: Digital data and Internet forum · See more »

Interrupt

In system programming, an interrupt is a signal to the processor emitted by hardware or software indicating an event that needs immediate attention.

New!!: Digital data and Interrupt · See more »

Joystick

A joystick is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling.

New!!: Digital data and Joystick · See more »

Latin

Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.

New!!: Digital data and Latin · See more »

Letter (alphabet)

A letter is a grapheme (written character) in an alphabetic system of writing.

New!!: Digital data and Letter (alphabet) · See more »

MIT Press

The MIT Press is a university press affiliated with the Massachusetts Institute of Technology (MIT) in Cambridge, Massachusetts (United States).

New!!: Digital data and MIT Press · See more »

Modem

A modem (modulator–demodulator) is a network hardware device that modulates one or more carrier wave signals to encode digital information for transmission and demodulates signals to decode the transmitted information.

New!!: Digital data and Modem · See more »

Modulation

In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a modulating signal that typically contains information to be transmitted.

New!!: Digital data and Modulation · See more »

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.

New!!: Digital data and Morse code · See more »

Noise (signal processing)

In signal processing, noise is a general term for unwanted (and, in general, unknown) modifications that a signal may suffer during capture, storage, transmission, processing, or conversion.

New!!: Digital data and Noise (signal processing) · See more »

Number

A number is a mathematical object used to count, measure and also label.

New!!: Digital data and Number · See more »

Pausa

In linguistics, pausa (Latin for "break", from Greek "παῦσις" pausis "stopping, ceasing") is the hiatus between prosodic units.

New!!: Digital data and Pausa · See more »

Polling (computer science)

Polling, or polled operation, in computer science, refers to actively sampling the status of an external device by a client program as a synchronous activity.

New!!: Digital data and Polling (computer science) · See more »

Punctuation

Punctuation (formerly sometimes called pointing) is the use of spacing, conventional signs, and certain typographical devices as aids to the understanding and correct reading of handwritten and printed text, whether read silently or aloud.

New!!: Digital data and Punctuation · See more »

Quantization (signal processing)

Quantization, in mathematics and digital signal processing, is the process of mapping input values from a large set (often a continuous set) to output values in a (countable) smaller set.

New!!: Digital data and Quantization (signal processing) · See more »

Representation (mathematics)

In mathematics, representation is a very general relationship that expresses similarities between objects.

New!!: Digital data and Representation (mathematics) · See more »

Sampling (signal processing)

In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal.

New!!: Digital data and Sampling (signal processing) · See more »

Science (journal)

Science, also widely referred to as Science Magazine, is the peer-reviewed academic journal of the American Association for the Advancement of Science (AAAS) and one of the world's top academic journals.

New!!: Digital data and Science (journal) · See more »

Smoke signal

The smoke signal is one of the oldest forms of long-distance communication.

New!!: Digital data and Smoke signal · See more »

Syncword

In computer networks, a syncword, sync character, sync sequence or preamble is used to synchronize a data transmission by indicating the end of header information and the start of data.

New!!: Digital data and Syncword · See more »

Redirects here:

Digital formats, Digital information, Digital input, Digital processing, Digital works.

References

[1] https://en.wikipedia.org/wiki/Digital_data

OutgoingIncoming
Hey! We are on Facebook now! »