What is digital?

  • (adj): Relating to or performed with the fingers.
    Example: "Digital examination"
    See also — Additional definitions below


A digital system is a data technology that uses discrete (discontinuous) values. By contrast, non-digital (or analog) systems represent information using a continuous function. Although digital representations are discrete, the information represented can be either discrete, such as numbers and letters or continuous, such as sounds, images, and other measurements.

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Some articles on digital:

Qué Hiciste - Release History
... Country Release date Format Label Canada January 26, 2007 Digital download Epic Records France United Kingdom March 2, 2007 Digital download United Kingdom March 13, 2007 CD single Germany March 23 ...
Connectors - Digital Microphone Interface
... The AES 42 standard, published by the Audio Engineering Society, defines a digital interface for microphones ... to this standard directly output a digital audio stream through an XLR or XLD male connector, rather than producing an analog output ... Digital microphones may be used either with new equipment with appropriate input connections that conform to the AES 42 standard, or else via a suitable interface box ...
Historical Digital Systems
... Even though digital signals are generally associated with the binary electronic digital systems used in modern electronics and computing, digital systems are actually ancient ... become a form of calculation frequency, nowadays it can be used as a very advanced, yet basic digital calculator that uses beads on rows to represent numbers ... A beacon is perhaps the simplest non-electronic digital signal, with just two states (on and off) ...
Digital-to-analog Converter
... In electronics, a digital-to-analog converter (DAC or D-to-A) is a device that converts a digital (usually binary) code to an analog signal (current, voltage, or ... An analog-to-digital converter (ADC) performs the reverse operation ... Signals are easily stored and transmitted in digital form, but a DAC is needed for the signal to be recognized by human senses or other non-digital systems ...
Modern Orthodontics
... The use of digital models in orthodontics is rapidly increasing as the industry undergoes analog to digital conversions in record keeping ... Digital laboratories are currently being used by many orthodontists, but can be very expensive ...

More definitions of "digital":

  • (adj): Displaying numbers rather than scale positions.
    Example: "Digital clock"; "digital readout"
  • (adj): Of a circuit or device that represents magnitudes in digits.
    Example: "Digital computer"