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Those of you who you are not familiar with, the network interface card probably want to be at this



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point, so here goes a network interface card and I see it installed in your computer to connect or



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interface your computer to the network.



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It provides the physical, electrical, electronic connections to the network media.



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The network interface card is a layer to two device.



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That is, it works at the datalink.



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Clear that you do remember we have seen the detail in clear in the model.



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Right?



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So the network interface card is known as a little device because the information it uses for communication,



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the MAC address it resides on Datalink, a network interface card is either an expansion card or is



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built right into the computer's motherboard.



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Today, almost all indices are built into the computer motherboard, providing a speed of around 1000



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megabits per second.



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Well, make sure that this is megabits per second and not megabytes per second.



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We have seen the differences in earlier sections.



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Nowadays, most PCs and laptops of all types come with an Internet and wireless connector built into



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the motherboard.



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So you usually do not need a separate interface card.



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Uh, it's rare to find a laptop today without a built in wireless network card, but you can buy an



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external wireless card for next stops and laptops if you've got the legacy equipment that needs them.



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So long story short, in short, you need to just remember that a network interface card is a kind of



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a chip which is installed in your computer that allows you to connect your computer to the network.



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Now, how this works and how this allows us to connect is not a part of the basic fundamentals of computer



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networking.



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It's it goes more into electronics.



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You just have to remember the functioning of the network interface card that it is used to connect your



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PC to the wireless network.



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The next lecture, we will talk about an interesting device known as The Hub.



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You have heard how many times from me.



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So in the next lecture, we will explore what the hub actually is.