Question: 1- If you use a binary notation 0101 to represent the gray level of a pixel in a grayscale image, how many bits are in

1- If you use a binary notation 0101 to represent the gray level of a pixel in a grayscale image, how many bits are in the binary notation?
a. 1
b. 2
c. 4
d. 1
2 - If you use a binary notation 0101 to represent the gray level of a pixel in a grayscale image, how many values this number of bits can represent?
a. 4
b. 8
c. 16
d. 32
3 - If there are in total 8 gray levels, how many bits are needed at least?
a. 3
b. 2
c. 5
d. 4

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