Hello my question are:Examples given for wired and wireless communications systems?Compare and contrasted how wired and wireless communications systems function? Assessed the risks associated with wired and wireless communcations systems?(if you can put in simple details that would be helpful, because I understand parts of it but not all)Thank you
wired is connected by ethernet cables and is harder to hack into, while wireless is over the air and easier to hack, so the main difference is security and encryption. Wireless users have to share the bandwidth, wire have set bandwidth. BUT (big but) wireless is portable while wired is not. Now all this is computer communications.
This is more of an engineering question than a physics question... Wired communications offer direct communication links over cables. Each channel has a high bandwidth, and because there are relatively few limitations on the number of cables you can place in parallel, A practically infinite number of channels is possible under the right conditions. Wireless communications work by producing electromagnetic waves encoding signals that can be picked up at the receiving end. The number of available frequencies in the EM spectrum is quite limited, and due to the presence of comparatively large amounts of noise in the environment, there are huge tradeoffs between signal bandwidth, signal power, and the number of available channels. Cellular communications exploit short range communications and wired networks to provide more channels at the expense of requiring more towers with tighter spacing. Overall, wireless communications are much noisier (they experience a lot of signal loss), and they require much more power than their wired counterparts. They are also much more vulnerable to security issues.
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