Computer Networking & Security

Archive for October, 2011

Network Interface Controller or NIC in abbreviate form, is a networking device, acclimated by a computer for advice through a network. It is the networking component, into which arrangement cable is plugged. This accessory is aswell accepted as Arrangement Adapter, Arrangement Interface agenda and Local Area Arrangement Adapter. It is installed in the host computer to accredit the host to be affiliated to the Local Area Network. Some computers accept congenital in NIC while the others accept disposable cards which could be replaced if any charge like alteration the baud amount or bandwidth arises.

Brief History Of NIC

Token Ring was the ancient arrangement agreement and agreement advised and developed by IBM. Computers, affiliated through badge ring arrangement cards, use two altered paths to address and accept data. Later on, 5 Base T networking standard,also accepted as Ethernet standard, was developed in aboriginal 1970s. Using this accepted it was accessible to address and accept abstracts over a blubbery coaxial cable over a ambit of 1km at a baud amount of 5 Mbits/second.

Working Principle Of NIC

Earlier, the NIC acclimated to be affiliated to the computer bus through amplification card. Later, due to bargain amount and simple availability, the NIC was dent with the motherboard itself. Nowadays abounding latest motherboards appear with bifold dent arrangement interfaces. In some computers, arrangement interface is implemented on a bargain committed Ethernet card, which is affiliated to the motherboard through PCI Express bus. Network Controller uses assorted altered methods to address and accept data, such as arrest apprenticed method, polling method, Direct Anamnesis Access.

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