Digital /ˈdɪdʒɪt(ə)l/ adjective

Meaning:

1. 1.

   (of signals or data) expressed as series of the digits 0 and 1, typically represented by values of a physical quantity such as voltage or magnetic polarization.

   • relating to, using, or storing data or information in the form of digital signals.

     “digital TV”
   • involving or relating to the use of computer technology.

     “the digital revolution”
2. 2.

   (of a clock or watch) showing the time by means of displayed digits rather than hands or a pointer.
3. 3.

   relating to a finger or fingers.

Example: The security features on the new ID cards include holograms and a digital identification photos.