Candidates should be able to:
- explain the representation of an image as a series of pixels represented in binary
- explain the need for metadata to be included in the file such as height, width and colour depth
- discuss the effect of colour depth and resolution on the size of an image file.
How can an image be represented in binary?
Bitmap images are made up of individual pixels. The colour of each pixel is represented as a binary number so the whole image is therefore stored as a . . .
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