Difference Between Ethernet & Network Cards
Ethernet is a local area network protocol created in 1976 by Xerox, DEC and Intel. Most network interface cards sold today function based on the Ethernet technology, and so are sometimes called Ethernet cards.
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Other Protocols
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Dozens of other network transfer protocols exist. Few of these technologies require hardware different from the typical network interface card. This is because the Ethernet protocol operates at the hardware or link layer of the network layer topology.
Types of Ethernet
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Like most computer technology, Ethernet has seen its fair share of upgrades. Recognized by the Institute of Electrical and Electronics Engineers as IEEE Standard 802.3, Ethernet includes (but is not limited to) 10BaseT, which operates at 10 megabits per second; 100BaseT, which operates at 100 Mbps; gigabit Ethernet or 1000BaseT, which operates at 1000 Mbps.
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Fun Fact
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The network interface cards installed in computers are sometimes abbreviated to NIC and pronounced "Nick."
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