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Answer:
C
Explanation:
When an Ethernet NIC has been configured by the OS to use half-duplex, the transmit pair of the cable uses SIMPLEX transmissions, the receive pair in the SIMPLEX transmissions, and the twisted pair cable uses HALF-DUPLEX transmissions.
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Sholes arranged the keys in their odd fashion to prevent jamming on mechanical typewriters by separating commonly used letter combinations.
<u><em>Answer:</em></u>
<u><em>The speed is </em></u>
<u><em>=
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<u><em>30
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<u><em>m
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<u><em>s
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<u><em>−
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<u><em>1
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<u><em>
</em></u>
<u><em>Explanation:
</em></u>
<u><em>The speed of a wave is given by
</em></u>
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</em></u>
<u><em>speed
</em></u>
<u><em>(
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</em></u>
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<u><em>frequency(Hz)
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<u><em>wavelength (m)
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</em></u>
<u><em>The frequency is </em></u>
<u><em>f
</em></u>
<u><em>=
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<u><em>100
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<u><em>H
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<u><em>z
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<u><em>
</em></u>
<u><em>The wavelength is </em></u>
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<u><em>m
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<u><em>The speed is
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<u><em>=
</em></u>
<u><em>λ
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<u><em>⋅
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<u><em>100
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<u><em>30
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<u><em>1
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<u><em>
</em></u>
<u><em></em></u>
<u><em></em></u>
<u><em></em></u>
The answer is (data) abstraction!
Hope it helped (:
