CCTV Camera/ Device Installer Interview Question:

Tell me what is pixel?

Submitted by: Muhammad

A pixel refers to an individual area on the surface of the imaging device, normally a CCD. It is made from photosensitive material which converts light into electrical energy. In the context of a display monitor, a pixel is also referred to as an individual area on the surface of the screen which converts electrical energy to visible light.
Submitted by: Muhammad