What is the smallest controllable element of a digital image called?

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Multiple Choice

What is the smallest controllable element of a digital image called?

Explanation:
Digital images are built from a grid of picture elements, or pixels. Each pixel represents a tiny point in the image with a specific brightness or color value, and the overall image is just a mosaic of these sampled points. The grid as a whole is the matrix, but the smallest controllable unit you can manipulate or measure is the pixel itself. In 3D imaging, the equivalent smallest unit would be a voxel, not a pixel, and dexels are used in some specialized rendering contexts. So the smallest controllable element of a digital image is the pixel.

Digital images are built from a grid of picture elements, or pixels. Each pixel represents a tiny point in the image with a specific brightness or color value, and the overall image is just a mosaic of these sampled points. The grid as a whole is the matrix, but the smallest controllable unit you can manipulate or measure is the pixel itself. In 3D imaging, the equivalent smallest unit would be a voxel, not a pixel, and dexels are used in some specialized rendering contexts. So the smallest controllable element of a digital image is the pixel.

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