1. CCD: Short for Charged Couple Device is one of the sensor types in a digital camera. It contains a collection of light sensitive cells that emit an electrical discharge when light strikes them. These signals can then be converted to capture the whole picture.
 

2. CMOS: It stands for Complimentary Metal Oxide Semiconductor and is the cheaper alternative to CCDs for capturing images in a digital camera. The original CMOS technology was not as good as CCDs too, but now the technology has caught up and some of the DSLRs also use CMOS censors instead of CCD sensors.
 

3. Megapixel: A pixel is the smallest unit of measuring information in an image. A collection of 1-million pixels makes a megapixel.
 

4. Resolution:It is the number of pixels that form an image. For instance a 6 Megapixel resolution pictures consists of 6 million pixels.
 

5. Image Stabilization: It is the capability of the camera to adjust itself to ensure that the picture is not affected when the camera shakes in the hand while taking a photograph. This is achieved by some cameras by adjusting the lenses or by other cameras using software.
 

6. Focal Length: It is the distance of the focal point on the sensor of the camera to the center of the lens. It is generally expressed in mm.
 

7. DSLR: Digital Single Lens Reflex – These are professional cameras that offer manual controls, interchangeable lenses, support for external flash and direct view finders.
 

8. ISO: It is the number used to define the light sensitivity of a camera. A higher number will allow a user to shoot in low light conditions, but can cause a lot of noise in pictures on the other hand low ISO will not give good pictures in low light.
 

9. SD/MMC: Secure Digital or Multi Media Card is the solid state memory that can be used with cameras to store pictures.
 

10. Pictbridge: Is the standard that is used by cameras to connect with peripherals, such as printers, directly
 

11. Geotagging: It is the process of adding geography related tags to pictures and other media types such as video.
 

12. Panorama: Is generally created by clicking a set of sequential pictures while rotating the camera on its axis to ensure a continuously long photograph.
 

13. RAW: A lossless image format preferred by professional photographers. It enable them to work on the image without compressing it.
 

14. Scene Modes: Automatic options provided to shoot in various light conditions like landscapes, portraits, night, florescent light etc.
 

15. Prosumer: Also referred to as super-zoom cameras is a category of cameras that are a bridge between consumer and professional cameras. They provide the manual controls of the DSLR and are easy to use as a consumer camera.