I know what is Internet but what is ethernet and how different is it from internet?
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Internet = Wide Area Network (WAN)\nEthernet = Local Area Network (LAN)\n\nEthernet is used in homes, offices, schools or any network that is in a limited area. When many Ethernet networks are connected together, they form the Internet. However, Ethernet networks can function without connecting to the Internet.
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The Internet ("inter-" + "network") is a large computer network made up of several nodes of smaller networks. Ultimately, the Internet is just a system for billions of computers to be able to send data to eachother at any given moment.\n\nThe Internet relies on the Internet Protocol (IP), layer 3 of the OSI model. IP provides a way to specify where you want to send data ("IP addresses"), but not much that plays a very obvious role on the Internet...\n\n...And what exactly is a protocol?\nA protocol is just a way of doing things. It can be very detailed and strict or very lenient. For example, the way you get dressed in the morning could be called a protocol. At the same time, the way to file your taxes is a protocol.\n\nProtocols provide guidelines that should be followed for 'optimal' performance - if you send you taxes to the wrong address, you'll have an angry government. If these are not strictly adhered to, something might horribly break. But when talking about computers and "networking", a protocol is usually a "communications" mechanism that helps computers talk to - and understand - eachother.\n\nThe same people who created the Internet Protocol also created higher level protocols (protocols that directly rely on IP). A couple of these protocols are the Transmission Control Protocol (TCP) and User Datagram Protocol (UDP). Again, these protocols don't explain what the most obvious parts of the Internet are - like WWW and FTP - but they provide some insight into the multi-layered complexity of it all.\n\nTCP and UDP are the two more popular Internet protocols. There are higher level protocols that rely on these, and inevitably even higher level protocols than those. But TCP and UDP (with IP) provide the basic underlying functionality of the Internet and define an important concept: the client-server networking paradigm.\n\nThis paradigm has two parties to every discussion, a server and a client. A server, so named because it "serves" clients, listens to certain types of network traffic and when it "hears" its name being called, it answers. A client is the one doing the calling.\n\nA server, also known as a service or daemon, is really just a program running on somebody's computer. It is designed to provide some functionality for requesting parties (clients). Likewise, a client is a computer program designed to talk to a server. Many such clients make these "discussions" transparent to a user (and many don't require any user interaction at all).\n\nServers rely on protocols in a way to understand their clients and vice versa. If you were to talk to someone who only spoke a language you didn't understand, you couldn't derive anything useful from your attempt at conversing. This is the case with servers as well. The protocols define languages the clients and servers can use to better understand eachother.\n\nAn example of such a protocol is the Hypertext Transfer Protocol (HTTP). HTTP provides a way for servers to serve documents (computer files) to requesting clients. Namely, a "web browser" (a client) connects to a "web server" (a server) and asks for a "web page" (a computer file). The server responds by telling the client something in language it understands - it says "here is the document you wanted", "I couldn't find that", or "there was a problem".\n\nSince you are writing PHP code, you probably understand that HTTP has some more options than just those, and what HTML is. With that information, you have a pretty good idea of what the World Wide Web is. WWW does not make up the Internet, but many such things - FTP, gopher, NNTP, POP, IMAP, SMTP, etc., etc., etc. - together make up the Internet.\nWith all of these, the programs that support them, and the people that require them, the Internet works. Really, how the Internet works is that millions
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I typed in what ou asked on google and it is good.\n\nMany people use the terms Internet and World Wide Web (a.k.a. the Web) interchangeably, but in fact the two terms are not synonymous. The Internet and the Web are two separate but related things. \nThe Internet is a massive network of networks, a networking infrastructure. It connects millions of computers together globally, forming a network in which any computer can communicate with any other computer as long as they are both connected to the Internet. Information that travels over the Internet does so via a variety of languages known as protocols. \n\nThe World Wide Web, or simply Web, is a way of accessing information over the medium of the Internet. It is an information-sharing model that is built on top of the Internet. The Web uses the HTTP protocol, only one of the languages spoken over the Internet, to transmit data. Web services, which use HTTP to allow applications to communicate in order to exchange business logic, use the the Web to share information. The Web also utilizes browsers, such as Internet Explorer or Netscape, to access Web documents called Web pages that are linked to each other via hyperlinks. Web documents also contain graphics, sounds, text and video. \n\nThe Web is just one of the ways that information can be disseminated over the Internet. The Internet, not the Web, is also used for e-mail, which relies on SMTP, Usenet news groups, instant messaging and FTP. So the Web is just a portion of the Internet, albeit a large portion, but the two terms are not synonymous and should not be confused.
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It depends...\n\nYour internet will only ever run at its maximum connection,\nFor instance you probably have DSl/Cable at home lets say it runs at 3MB download and 850KB Upload (extremely fast speeds, most DSL/CABLE is slower), your internet will never ever run faster than those numbers.\n\nMost ethernet "numbers" are for networking, It is for transfering files between computer over your network.\n\nIf you have a 25Mb game file that you want on another pc and they are networked with 54MBps ethernet then it will take aproximately 7 minutes to transfer...\n\nNow if you have 108MBps it will take half that time: about 3 mins.
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Resource (group) 1:\n"The Internet is the worldwide, publicly accessible network of interconnected computer networks that transmit data by packet switching using the standard Internet Protocol (IP). It is a "network of networks" that consists of millions of smaller domestic, academic, business, and government networks, which together carry various information and services, such as electronic mail, online chat, file transfer, and the interlinked Web pages and other documents of the World Wide Web.\n\nThe World Wide Web ("WWW" or simply the "Web") is a system of interlinked, hypertext documents that runs over the Internet. With a Web browser, a user views Web pages that may contain text, images, and other multimedia and navigates between them using hyperlinks."\n\nResource 2:\n"The Internet is to the World Wide Web as Europe is to France. One is the container [the Internet], the other is an item within the container [the World Wide Web]."
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The Internet, or simply the Net, is the publicly accessible worldwide system of interconnected computer networks that transmit data by packet switching using a standardized Internet Protocol (IP). It is made up of thousands of smaller commercial, academic, domestic, and government networks. It carries various information and services, such as electronic mail, online chat, and the interlinked Web pages and other documents of the World Wide Web.\n\nContrary to some common usage, the Internet and the World Wide Web are not synonymous: the Internet is a collection of interconnected computer networks, linked by copper wires, fiber-optic cables, etc.; the Web is a collection of interconnected documents, linked by hyperlinks and URLs, and is accessible using the Internet.
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Internet is the whole network of computers that are connected to each other. \nOnline is when you are connected to the internet, or a website that is connected to the internet.
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Ethernet is a wall connection, kind of a fatter phone line, it is for internet, or connecting to another computer. An  Ethernet card is a little 'card' that would go into your laptop so you can connect to this ethernet.\n\n   Your new laptop most likely already has the card. Look for a connection on the laptop that looks like a fat phone jack. It does the same thing as the wireless connection, except needs to be connected with a wire. Good for when you are at a location that has no signal (like in the lower floors on campus, usually surrounded by cement wich makes it hard to get a good signal).
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Internet is network of networks. The vast collection of inter-connected networks across the world that all use the TCP/IP protocols.\n\nWhereas intranet is an internal use, private network inside an organisation that uses the same kind of software which would also be found on the Internet.\n\nE-Commerce is the commercial transactions that takes place over the internet.\nDefinition is as follows\nElectric commerce: the conducting of business communication and transactions over networks and through computers. Specifically, ecommerce is the buying and selling of goods and services, and the transfer of funds, through digital communications.
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Dial up:  \nconnection of a computer to the Internet by a modem using existing telephone lines\n\nBroadband:\nBroadband in general refers to data transmission where multiple pieces of data are sent simultaneously to increase the effective rate of transmission. In network engineering this term is used for methods where two or more signals share a medium.\n\nLAN (Local Area Network):\nA local area network (LAN) is a computer network covering a small local area, like a home, office, or small group of buildings such as a college. Current LANs are most likely to be based on switched Ethernet or Wi-Fi technology running at from 10 to 1000Mb/s (megabits per second). The defining characteristics of LANs in contrast to WANs are: (a) much higher data rates, (b) smaller geographic range and (c) they do not involve leased telecommunication lines.
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In a nutshell the internet is a massive network of computers with the main players having servers holding stored data. When you download a video from a website it is like retrieving a video from your cd or harddrive except you are downloading it from someone else's cd or harddrive on their server.\n\nSeveral factors keep "things online" online. The server computer holding stored data, telephone or cable companies, and associated electronic gadgets. The server computer needs to on and connected to the internet, the telephone lines need to be open or cable internet operating, and modems and nodes and all the other gadgets need to be in good working order.\n\nThat's it in a nutshell!
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easy solution:\n\n-buy a cheap router which has 4 ports for internet connections.\n-buy 4 cheap ethernet cable (u should already have 1)\n-install the software of the router on computers (u may need to install only on 1 pc,try)\n-plug the ethernets to the 4 port router (there is a 5th port for ur internet connection)\n-after connecting each ethernet to ur laptop or pc ull have them all connected to the internet and Lan network.\n-u can play transfer info and etc.\n-this is from my own experience and definately works
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What is a Network?\n\nA network is simply a group of two or more Personal Computers linked together.\n\nWhat Types of Networks Exist?\n\nMany types of networks exist, but the most common types of networks are Local-Area Networks (LANs), and Wide-Area Networks (WANs). In a LAN, computers are connected together within a "local" area (for example, an office or home). In a WAN, computers are farther apart and are connected via telephone/communication lines, radio waves, or other means of connection.\n\nProtocols \nAn agreed-upon format for transmitting data between two devices. The protocol determines the following: \nthe type of error checking to be used \ndata compression method, if any how the sending device will indicate that it has finished sending a message how the receiving device will indicate that it has received a message. There are a variety of standard protocols from which programmers can choose. Each has particular advantages and disadvantages; for example, some are simpler than others, some are more reliable, and some are faster. \n\nFrom a user's point of view, the only interesting aspect about protocols is that your computer or device must support the right ones if you want to communicate with other computers. The protocol can be implemented either in hardware or in software.\n\nHardware\n\nThe physical components of a computer system. Reference is often made to "hardware" and "software"; in that context, "hardware" consists of the computer, input and output devices and other peripheral equipment.\n\nComputer Hardware devices capable of accepting and storing computer data, executing a systematic sequence of operations on computer data, or producing control outputs. Such devices can perform substantial interpretation, computation, communication, control, or other logical functions\n\nThere are literally hundreds of manufacturers for computers, monitors, printers, and other components. My advice to a first time buyer is to stick with a brand name. Getting that first computer can be very exciting, but the excitement can quickly dwindle to sheer terror and frustration if there are compatibility problems between the components and the software.
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True\n\nInternet is a connectivity of millions of Servers and PCs all around the world and the web is the content or information that stays in those servers and PCs.
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A LAN is a Local Area Network. Local is generally referred to a network contained within a building or an office or a campus. \n\nExamples:\n(1) You might have a LAN for example on a University campus or between office blocks in an office park. \n\n(2) A big corporate perhaps like Anglo American, would generally have a LAN that might span several buildings. \n\nTo set up a LAN -relatively speaking- is cheap. If you want to put an extra couple of network points or an extra couple of devices on the network, it 's not very expensive to do that.\n\nA WAN is a Wide Area Network is a network that connects campuses.\n1. A WAN is generally slow. If we compare that to a LAN, we said that Ethernet could run up to 1000 Mbs, currently, certainly in South Africa, the fastest WAN is 155 Mbs, so you can see in a LAN we can talk up to 1000 Mbs whereas in a WAN, at the moment, currently, today in South Africa, we can only take, literally a 10th of the speed. \n\n2. WAN's are expensive. If we look at the path of telecommunications, we need to connect two offices, one in Pretoria and one in Johannesburg together - it 's an expensive operation even for a slow line. \n\nOne of the differences between a WAN (Wide Area Network) and a LAN (Local Area Network) is the set-up cost. WAN generally are to connect remote offices and when we talk about remote offices we generally refer to the remote offices as those that are outside the campus. For example, if we have an office in Pretoria and we have an office in Cape Town, these are remote offices. There is no chance that we can connect the LAN between Cape Town and Pretoria. In a LAN we connect local offices whereas in a WAN we can connect remote offices. \n\nIf you want  a detailed  discription, let me know\nvijay_v_shekhar@yahoo.com
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About Wired LANs\n\nWired LANs use Ethernet cables and network adapters. Although two computers can be directly wired to each other using an Ethernet crossover cable, wired LANs generally also require central devices like hubs, switches, or routers to accommodate more computers. \nFor dial-up connections to the Internet, the computer hosting the modem must run Internet Connection Sharing or similar software to share the connection with all other computers on the LAN. Broadband routers allow easier sharing of cable modem or DSL Internet connections, plus they often include built-in firewall support. \n\nInstallation\nEthernet cables must be run from each computer to another computer or to the central device. It can be time-consuming and difficult to run cables under the floor or through walls, especially when computers sit in different rooms. Some newer homes are pre-wired with CAT5 cable, greatly simplifying the cabling process and minimizing unsightly cable runs. \nThe correct cabling configuration for a wired LAN varies depending on the mix of devices, the type of Internet connection, and whether internal or external modems are used. However, none of these options pose any more difficulty than, for example, wiring a home theater system. \n\nAfter hardware installation, the remaining steps in configuring either wired or wireless LANs do not differ much. Both rely on standard Internet Protocol and network operating system configuration options. Laptops and other portable devices often enjoy greater mobility in wireless home network installations (at least for as long as their batteries allow). \n\nCost\nEthernet cables, hubs and switches are very inexpensive. Some connection sharing software packages, like ICS, are free; some cost a nominal fee. Broadband routers cost more, but these are optional components of a wired LAN, and their higher cost is offset by the benefit of easier installation and built-in security features. \nReliability\nEthernet cables, hubs and switches are extremely reliable, mainly because manufacturers have been continually improving Ethernet technology over several decades. Loose cables likely remain the single most common and annoying source of failure in a wired network. When installing a wired LAN or moving any of the components later, be sure to carefully check the cable connections. \nBroadband routers have also suffered from some reliability problems in the past. Unlike other Ethernet gear, these products are relatively new, multi-function devices. Broadband routers have matured over the past several years and their reliability has improved greatly. \n\nPerformance\nWired LANs offer superior performance. Traditional Ethernet connections offer only 10 Mbps bandwidth, but 100 Mbps Fast Ethernet technology costs little more and is readily available. Although 100 Mbps represents a theoretical maximum performance never really achieved in practice, Fast Ethernet should be sufficient for home file sharing, gaming, and high-speed Internet access for many years into the future. \nWired LANs utilizing hubs can suffer performance slowdown if computers heavily utilize the network simultaneously. Use Ethernet switches instead of hubs to avoid this problem; a switch costs little more than a hub. \n\nSecurity\nFor any wired LAN connected to the Internet, firewalls are the primary security consideration. Wired Ethernet hubs and switches do not support firewalls. However, firewall software products like ZoneAlarm can be installed on the computers themselves. Broadband routers offer equivalent firewall capability built into the device, configurable through its own software.\n\nAbout Wireless LANs\nPopular WLAN technologies all follow one of the three main Wi-Fi communication standards. The benefits of wireless networking depend on the standard employed: \n802.11b was the first standard to be widely used in WLANs. \nThe 802.11a standard is faster but more expensive than 802.11b; 802.11a is more commonly found in busi
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Here is a diagram of a modem router and computer.\n\nhttp://reviews.cnet.com/i/lab/tu/074/step2_300.gif\n\nThe ethernet port is called  a RJ45 with look like a oversized telephone port (RJ11).\nYou can pickup an ethernet cable at Walmart for less than $10.\n\nhttp://www.walmart.com/catalog/product.do?product_id=932041\n\nNote: If you are connecting PC to PC and not using a modem router or hub then you will need a crossover cable. They will be clearly marked.\n\nhttp://www.walmart.com/catalog/product.do?product_id=3756907\n\nI hope this helps.