Question: 4.1 Suppose that data are stored on 1.4-Mbyte floppy diskettes that weigh 30 g each. Sup- pose that an airliner carries 104 kg of these

4.1 Suppose that data are stored on 1.4-Mbyte floppy diskettes that weigh 30 g each. Sup- pose that an airliner carries 104 kg of these floppies at a speed of 1000 km/h over a distance of 5000 km. What is the data transmission rate in bits per second of this sys- tem? 4.2 A telephone line is known to have a loss of 20 dB. The input signal power is measured as 0.5 W, and the output noise level is measured as 4.5 W. Using this information, calculate the output signal-to-noise ratio in dB

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