(electronics, technology) A field of electronics involving the study of digital signals and the engineering of devices that use or produce them.

(electronics) A device that converts an infinite resolution analog signal to a finite resolution digital signal.

(dated) A hand-held electronic organizer or computer.

plural of analog-to-digital converter

plural of digital still camera

(electronics) A digital camera. Abbreviated DSC.

plural of personal digital assistant

(computing) A set of access control technologies that restrict the use of proprietary hardware and digital files by an end user, so as to enforce copyright restrictions.

(television) a personal video recorder

A set-top box that processes digital signals for an analogue television set.