analogue-to-digital (A/D) converter (computing)

An integrated circuit which enables a digital computer to accept data from an analogue device (also called digitizer)

digit /dijˈit/

1. A finger or toe
2. A finger's breadth as a unit of measurement (1.9cm or 3/4in)
3. A figure, esp one used in arithmetic to represent a number
4. Any one of the Arabic numerals from 0 to 9
5. The twelfth part of the diameter of the sun or moon (astronomy)

digˈital adjective

1. Relating to the fingers, or to arithmetical digits
2. Showing numerical information by a set of digits to be read off, instead of by a pointer on a dial, etc (as in digital clock, digital thermometer)
3. (of electronic circuits) responding to and producing signals that at any given time are at any one of a number of possible discrete levels, generally either one of two levels
4. (of continuous data, eg sound signals) separated into discrete units to facilitate transmission, processing, etc, or of the transmission, etc of sound, etc, in this form

1. A finger (joc)
2. A key of a piano, etc

digitalin /dij-i-tāˈlin or dijˈit-ə-lin/ noun

A glucoside or mixture of glucosides obtained from digitalis leaves, used as a heart stimulant

digitāˈlis noun

1. Any plant of the foxglove genus Digitalis
2. Dried foxglove leaves once used as a drug

digˈitalization or digˈitalisation noun

digˈitalize or digˈitalise transitive verb and intransitive verb

1. To give digitalis to (a patient) for the treatment of certain heart conditions
2. Digitize

digˈitate or digˈitated adjective

(of leaves) consisting of several finger-like sections

digˈitately adverb

digitāˈtion noun

1. Finger-like arrangement
2. A finger-like division

digitˈiform adjective

Formed like fingers

digˈitigrade adjective

Walking on the toes

An animal that walks on its toes

digitīzāˈtion or digitīsāˈtion noun

digˈitize or digˈitise transitive verb

To put (data) into digital form, eg for use in a digital computer

digˈitizer or digˈitiser noun (computing)

1. A device that converts analogue signals to digital codes (also analogue-to-digital or A/D converter)
2. A device that converts pictures captured by a video camera into digital form for computer input (also video digitizer)

digitōˈrium noun

A pianist's dumb keyboard for finger exercises

digital audio player noun

A device for storing and playing audio data that has been recorded in a digital file format (abbrev DAP)

digital audiotape noun

1. A magnetic audiotape on which sound has been recorded digitally
2. This form of recorded sound, affording greater clarity and compactness, and less distortion than conventional recording (abbrev DAT, Dat or dat)

digital camera noun

A camera in which images are captured by a charge-coupled device rather than film and stored on a memory card readable by a computer, which can be used to view, manipulate and print the images

digital clock or digital watch noun

A clock or watch, without a conventional face, on which the time is indicated directly by numbers

digital compact cassette noun

1. A digital audiotape, in standard cassette format, that is played via a fixed-head tape recorder
2. This form of recorded sound (abbrev DCC)

digital computer noun

An electronic calculating machine using arithmetical digits, generally binary or decimal notation

digital immigrant noun (comput sl)

A person who has learnt to use computers as an adult, opp to digital native

digital native noun (comput sl)

A person who has learnt to use computers as a child, opp to digital immigrant

digital plotter noun (computing)

A device that plots graphs from data specifying co-ordinates, rather than from data specifying increments to the current position (cf incremental plotter)

digital radio noun

A form of radio broadcasting in which the sounds are compressed into and transmitted in digital form

digital recording noun

A digital means of storing and transmitting information electronically, eg in sound recording where frequency and amplitude features of the sound wave are measured, expressed and stored in digital form (as on compact disc or digital audiotape)

digital signature same as electronic signature under electronic

digital socks plural noun

Socks with individual toe-coverings similar to the fingers of gloves

digital television noun

A form of television broadcasting in which the signal is transmitted in digital form and decoded by a special receiver

digital transmission noun (computing)

The sending of computer data from one location to another by using a modem to convert the data into electronic impulses which can be sent along telecommunications lines to a distant point, where a modem converts the impulses back to the original form of the data

digital wallet

A portable device that facilitates the transfer of funds between accounts to pay for goods and services

digital watch see digital clock above.

digitizing board, digitizing pad, digitizing table or digitizing tablet noun

A device consisting of a flat surface on which diagrams may be drawn with a special stylus, the co-ordinates of the position of the stylus at any given point on the diagram being digitized for storage, etc