Question

A computer monitor has a resolution of 1200 by 1000 pixels. If each pixel uses 1024 colors, how many bits are needed to send the complete contents of a screen?

Answer 1

1.2 × 10⁷ bits is needed to send the complete contents of a screen.

Since the resolution of the pixel is 1200 by 1000 pixels, hence:

Resolution = 1200 × 1000 pixel = 1,200,000 pixels

Each pixel uses 1024 colors, hence the number of bits per pixel (n) is:

2ⁿ = 1024

n = 10 bits

Hence each pixels uses 10 bits, To show the complete contents of a screen, the number of bits needed is:

Number of bits needed = 10 bits per pixel × 1,200,000 pixels

Number of bits needed = 1.2 × 10⁷ bits

1.2 × 10⁷ bits is needed to send the complete contents of a screen.

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