Computers need to be able to store, display and manipulate images. However, they can only handle ____ data so it is essential that all images are stored in a ____ format. Each digital image is broken up into a set of columns and rows which form a ____. Each box in the grid is called a ____ (picture element), the smallest controllable element of a picture. Each pixel can store three colour values: red, ____ and blue. When we talk about colour ____ we are referring to the number of ____ per pixel used to represent a colour. The greater the colour depth the better the colour rendering i.e. the more detail and intense the colours. However, as you increase the colour depth then the file size will ____ as it is storing ____ data per pixel. Another important factor in the quality of images is the ____. This refers to the number of pixels per inch. The higher the number of pixels (dpi) the greater the resolution. The higher the resolution the more refined the image i.e. a greater amount of ____.

1.2.4 Images

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