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anastassius [24]
3 years ago
7

Give an example of how the fields of science, technology, and mathematics are commonly used when building a highway.

Engineering
1 answer:
Mice21 [21]3 years ago
8 0
Science: how will chemicals used to treat the road react to the environment? what chemicals can be used to make the highway that will not cause problems?
technology: sensors could be placed in the road, especially for stop signs or red lights that will sense the presence of a vehicle.
mathematics: how long will the highway be? what angle will each turn be? how wide should the highway be? how many lanes?
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The Ethernet (CSMA/CD) alternates between contention intervals and successful transmissions. Assume a 100 Mbps Ethernet over 1 k
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<h3><u>CSMA/CD Protocol: </u></h3>

Carrier sensing can transmit the data at anytime only the condition is before sending the data sense carrier if the carrier is free then send the data.

But the problem is the standing at one end of channel, we can’t send the entire carrier. Because of this 2 stations can transmit the data (use the channel) at the same time resulting in collisions.

There are no acknowledgement to detect collisions, It's stations responsibility to detect whether its data is falling into collisions or not.

<u>Example: </u>

T_{P}=1 H r, at time t = 10.00 AM, A starts, 10:59:59 AM B starts at time 11:00 AM collision starts.

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Pocket Size to detect the collision.

\begin{aligned}&T_{t} \geq 2 T_{P}\\&\frac{L}{B} \geq 2 T_{P}\\&L \geq 2 \times T_{P} \times B\end{aligned}

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  • In the previous example we have seen that in worst case 2 T_{P} time require to detect a collision.
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We are given number of collisions (contentions slots)=4.

\text { Propagation day }=\frac{\text {distance}}{\text {speed}}

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What is the difference Plastic vs elastic deformation

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