Critical Thinking QuestionsCase E-1Stephan, an amateur photographer,  is new to the game of analyzing the appearance of images and using Photoshop to improve the quality of his images. He has been surfing around the web looking for pointers, and has come across several new terms to add to his photography vocabulary. Stephan had always wondered what a histogram represented. What did he discover?

A. The histogram is a visual reference of every midtone and dark pixels in an image.
B. Histograms allow users to choose contiguous pixels of the same hue.
C. Histograms are a graph that serves as a visual reference of every pixel in an image or selection.
D. The histogram is a graph showing the areas of a grayscale image that have the brightest pixels.


Answer: C

Computer Science & Information Technology

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