what is wired technology explain different types of wired technology
Answers
Wired communication refers to the transmission of data over a wire-based communication technology. ... Examples include telephone networks, cable television or internet access, and fiber-optic communication. Most wired networks use Ethernet cables to transfer data between connected PCs.
The different types of wired technology are:-
Dial-Up:-
Dial-up is almost extinct now, but it is worth mentioning briefly since it was the first extensively used internet access method that enabled digital connectivity.
Just like a DSL connection, it requires telephone lines to establish a connection to the Internet. Apart from DSL however, at a given time, only a single form of communication can pass through the channel. A dial-up modem transforms digital signals from a pc into analog signals which pass via the phone line by initiating a “phone call” to the server of the Internet service provider.
Of course, this design comes with many drawbacks. In contrast to digital signals, the analog/dial-up signal is rather inefficient. And if memory serves it’s the very same setup that would conveniently kick you off of your internet connectivity if someone initiated a phone call through the same connection.
Most of us are still nostalgic about the characteristic sound of a dial-up attempting to establish a connection. However, most of it is now a relic of the older mediums used.
Cable Internet:-
The cable is a popular method for providing fast-speed internet. It uses the same form of coaxial copper cable for cable television service that you might have at your home already. Using a technology called DOCSIS (Data over Cable Service Interface Specification), a suitable modem can separate television signals against internet data transmissions so that both run on a single line without intermingling with one another.
Although cable is still a growing broadband system, it also has to compete with more updated methods of connectivity. Cable internet still offers solid internet speeds, but it still is not the most advanced technology.
DSL:-
DSL, which is an abbreviation for Digital Subscriber Line, transmits digital information using established telephone lines. With a DSL connection, you can simultaneously use the internet and make phone calls.
You mount a physical buffer with DSL that splits voice and internet data signals from each other. Without it, you will hear a heavy-pitched hiss when you talk on the phone.
The word often applies to asymmetric DSL, which means you get different speeds of uploading and downloading data. It makes perfect sense, as most users download material more often than they would upload stuff over the internet.
DSL is available today, mostly in rural areas but urban areas have access to it too. It is pleasantly tolerable though if you aren’t in need of a fast connection. It might act as a blessing for rural settings since we are bound to use the internet for regular activities.
Fiber-Optic:-
Fiber internet services are amongst the best home broadband options that are available in the market and are provided by companies like Cox, AT&T and Mediacom etc. It uses light signals to transmit the information as compared to the traditional cable lines.
A transmitter is used to convert electrical signals into light at just the initial end. This light then reflects and bounces across a glass/plastic specialized cables. The recipient end transforms the light signal back into information in a form that your device can utilize when it reaches its destination.
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