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A communication link provides 100 Mbps for communications between the earth and the moon. The link sends color images from the moon. Each image consists of 10⁷ pixels, and 128 bits are used for each of the three-color components of each pixel.
A) How long it takes to transmit an image over the link?
B) If each image is transmitted as a single frame, how long does it take to get an acknowledgement back from earth? The distance between earth and moon is approximately 3.75×10⁸ m, and propagation speed is 3×10⁸ m/s.

Sagot :

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