| Term | Definition |
| small squares of light that make up pictures | pixel |
| 1 million pixels | megapixel |
| pixel dimensions | resolution |
| setting that determines accurate quality of light | white balance |
| measures sensitivity to light(of sensors) | ISO |
| (tagged image file format) Large, high-quality photofile that keeps all original info | TIFF |
| memory card(in canon and nikon) | compact flash(CD) |
| charged coupled device | CCD |
| memory card used in lumix camera(smaller in size) | secure digital (SD) |
| memory card even smaller than SD | XD |
| file that saves the actual data generated by a sensor. | RAW |
| (joint photo experts group) files that use an algorithm that compresses image data. (some info is lost) | JPEG |