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a. Charge coupled device (CCD) and Complementary metal oxide on silicon (CMOS) are two types of imaging sensors that are frequently used in digital cameras. With the aid of diagrams, describe the operating of each imaging sensor. Discuss in detail with at least four differences between CCD and CMOS sensors. b. Joint Photographic Experts Group (JPEG) is an ideal format for web photos; however Graphics Ierchange Format (GIF) is best file format for animation. With the aid of pictures, discuss in detail the difference between JPEG and GIF file formats