Digital Camera
A digital camera (or digicam) is a camera that takes video or still photographs, or both, digitally by recording images via an electronic image sensor. It is the main device used in the field of digital photography. Most 21st century cameras are digital.
http://en.wikipedia.org/wiki/Digital_camera

What do you know about Photography?
Photography is the art, science, and practice of creating pictures by recording radiation on a radiation-sensitive medium, such as a photographic film, or electronic image sensors.
http://en.wikipedia.org/wiki/Photography