Rob93old

4 Questions
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3

2494

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maths computer question

using powers of 2, for finding the number of 64-bit words that can be held in a main memory of size 2 TiB.

Rob93old Mar 22, 2020

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1047

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bandwidths and analog

An analogue signal has a bandwidth that extends from very low frequencies up to 12 kHz. Using the sampling theorem, what is the minimum sampling rate (number of samples per second) required to convert this signal into a digital representation?
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Rob93old Feb 8, 2020

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1805

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maths question

A mobile base station (BS) in an urban environment has a power measurement of 35 µW at 180 m. Assuming the propagation follows the inverse 4th power law, what is a reasonable power value in W, to assume at a distance of 540 m from the BS? Express your answer read more ..

Rob93old Feb 8, 2020

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2502

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+16

computer mathematics

A computer program takes 0.0085 seconds to calculate the best route between seven cities using a brute-force approach to the traveling salesman problem. How long, to the nearest second, will it take to calculate the best route for eleven cities?
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Rob93old Feb 8, 2020