Megapixels: This is the number of image sensor elements of digital cameras or the pixels on digital displays. More pixels improve the resolution but can also result in less overall quality for the pictures, due in part to the reduced size of each pixel sensor (because the total sensor size ...
Webcams versus digital cameras So the image sensor is the "electronic eye" of a webcam or a digital camera. It's asemiconductor chipmade of millions of tiny, light-sensitive squares arranged in a grid pattern. These squares are calledpixels. Basic webcams use relatively small sensors with j...