How many gray levels can a computer monitor display?
A) 8
B) 32
C) 256
D) 65,500
C
Explanation: A) The unaided human eye can distinguish only about 32 shades of gray. Digital radiographic systems claim the ability to produce up to 65,500 gray levels. However, computer monitors can display only 256 gray levels.
B) The unaided human eye can distinguish only about 32 shades of gray. Digital radiographic systems claim the ability to produce up to 65,500 gray levels. However, computer monitors can display only 256 gray levels.
C) The unaided human eye can distinguish only about 32 shades of gray. Digital radiographic systems claim the ability to produce up to 65,500 gray levels. However, computer monitors can display only 256 gray levels.
D) The unaided human eye can distinguish only about 32 shades of gray. Digital radiographic systems claim the ability to produce up to 65,500 gray levels. However, computer monitors can display only 256 gray levels.
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