The answer is a Mesh topology. This method connects every device to each other device in the network. A wired full-mesh topology is not as common as it is impractical and highly expensive. A partial mesh topology offers redundancy if one of the connections goes down and usually uses a connecting medium such as a router to eliminate cables and expensive PCI NIC's.
Protocal
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Yes and No it all depends on how the author wants the poem how to be and become. Majority of the time science fiction is set for the future.
Answer:
USB cables.
Explanation:
Think of what would happen if you started walking to a friend's house that is 3 houses away from yours. You have a cell and there are no others that you can see. Your friend calls you.
Could you hear what he says with a blue tooth earphone? Likely.
If you are connected by a wifi device. Again likely.
What about a broad band. That would be possible too.
So what about a USB cable. Now there's a problem. The cable would have to be at least 75 feet long (city plots are usually somewhere in the neighborhood of 25 feet wide). You would need an awfully long cable. And that's only 3 houses away.
In many, many ways. Here's some things you can talk about:
•Previously we stored patient data by hand on paper. Now we use computers to store it. This is better because what if we accidentally lost/destroyed the papers or it burned down? With computers this risk is minimised.
•We can now diagnose patients with problems with much more precision thanks to advances like MRI scanning, CT scans, and X-rays. This means we can pinpoint problems rather than guess what’s wrong.
•Prescriptions for medicine can now be arranged online and delivered to your door in some areas, whereas previously you would have to walk in and get the medicine which could be time consuming.
•We now have phones to dial 911 for emergency ambulance services. This has revolutionised how quickly responders can respond to life threatening events.
There’s much more to talk about, but all of the points above are a sold start.