How many grayscale levels can an 8-bit digital radiography system display?

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Multiple Choice

How many grayscale levels can an 8-bit digital radiography system display?

Explanation:
Grayscale levels are determined by how many different values 8 bits can encode. With 8 bits per pixel, you can represent 2^8 distinct values, which equals 256 possible grayscale levels (typically numbered 0 to 255, from black to white). The other options correspond to different bit depths: 3 bits would yield 8 shades, 6 bits would yield 64 shades, and 10 bits would yield 1024 shades.

Grayscale levels are determined by how many different values 8 bits can encode. With 8 bits per pixel, you can represent 2^8 distinct values, which equals 256 possible grayscale levels (typically numbered 0 to 255, from black to white). The other options correspond to different bit depths: 3 bits would yield 8 shades, 6 bits would yield 64 shades, and 10 bits would yield 1024 shades.

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