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internet basics notes

5. Top-level domain slashes. The traveler Information regarding various topics such as Technology, Health & Science, Social Studies, Geographical Information, Information Technology, Products etc can be surfed with help of a search engine. For example, information on a "com" site can prove useful, but one should always be aware that the intent of the site may be to sell a particular product or service. The World Wide Web contains a vast collection of linked multimedia pages A special computer DNS (Domain Name Server) is used to give name t… An Internet address has four fields with numbers that are separated by periods or dots. There are various websites that do not provide the authenticated information. In 1972, the ARPANET spread over the globe with 23 nodes located at different countries and thus became known as Internet. These e-mails serve no purpose and lead to obstruction of entire system. related projects. For example, the URL of a web page may 4)… The server controls the communication of information between the devices attached to a network, such as computers, printers, or other servers. For instance, http://fcit.usf.edu/~kemker/default.htm is a student's personal web page. As the name implies, it allows resources to be linked with great ease in an almost seamless fashion. When you hold down the mouse button over an item in the main menu, a sub menu is "pulled down" that has a variety of options. As scholars began to go online, this network changed from The misperception is that these two terms are synonymous. The submenus provide keyboard shortcuts for many common actions, allowing you to implement the functions faster than Internet • Internet: It is a global network of computer networks. The Internet began in 1969 as the U.S. Department of Defense's Advanced that is ever-changing. Internet allows us to use many services like: Internet provides concept of electronic commerce, that allows the business deals to be conducted on electronic systems. WWW You can type in a site's address, and press the Return or Enter key to open the site. You can do all of this by connecting a computer to the Internet, which is also called going online. Domain name system When someone says a computer isonline, it's just another way of saying it's connected to the Internet. and successful navigation. For instance, if a user is running Windows on a PC, he or she can communicate with iPhones. IP Address is a unique set of numbers (such as which identifies a computer location. In this example, "default.htm" is the name of the file which is in a directory named "holocaust" on the FCIT server at the University of South Florida. One should use credit cards only through authenticated sites. This indicates a link to additional information and it Productivity Tools || || Many teachers use a connection through a local university Internet basics 1. However, there are several basic components of the 2. Other ISPs, such as America Online, telephone companies, or cable companies provide Internet access for their members. Computers were then installed at U.S. universities with defense Virus can easily be spread to the computers connected to internet. The tool bar is located at the top of the browser; it contains navigational buttons for the Web. You will note your cursor turns into a pointing finger over some images Although many pages in that domain were created by the educational institutions themselves, some "edu" pages may be the private opinions of faculty and students. Internet is accessible to every user all over the world. Foundation (NSF). No notes for slide. their server. Internet uses the standard Internet Protocol (TCP/IP). The Internet, sometimes called simply "the Net," is a worldwide system of computer networks - a network of networks in which users at any one computercan, if they have permission, get information from any other computer (and sometimes talk directly tousers at other computers). can be either a link to additional web pages, email, newsgroups, audio, video, Study Material and Notes of Chapter 1 Basics of Internet Computer Science Class 9th. Scroll bar Actions that are in black can be performed, while actions that cannot be performed will be in gray or lightened. 3. The World Wide Web, developed in 1989, is actually one of those different protocols. A common convention at many institutions is to indicate a faculty or student page with a ~ (tilde) in the address. 4. travelers to access different points across the United States. Internet uses the standard Internet Protocol (TCP/IP). Hypertext Markup Language (HTML) is the language used to write web pages. Here, we will discuss some of the advantages of Internet: Internet allows us to communicate with the people sitting at remote locations. Initially, there were only four nodes, formally called Hosts. The location bar, below the tool bar, is a box labeled "Location," "GoTo," or "Address." The Internet is similar to the Interstate system since both IP Address is a unique set of numbers (such as which identifies a computer location. be accessed using the mouse. Internet basics 1. as their ISP because it is free. Once you have an account with an Internet service provider, you can access the Web through a browser, such as Safari or Microsoft Internet Explorer. By the time, with invention of new technologies such as TCP/IP protocols, DNS, WWW, browsers, scripting languages etc.,Internet provided a medium to publish and access information over the web. The Internet is a global network of billions of computers and other electronic devices. The scroll bar is the vertical bar located on the right of the browser window. Apart from communication and source of information, internet also serves a medium for entertainment. Below you will For example, a DNS server will resolve a name http://www.tutorialspoint.com to a particular IP address to uniquely identify the computer on which this website is hosted. or text on the page. It comprises of millions of computing devices that carry and transfer volumes of information from one device to the other. With these protocols, virtually all computers can communicate with each other. Center for Instructional Technology. In order for a computer to communicate on the Internet, a set of rules or protocols computers must follow to exchange messages was developed. This type of address is known as an IP address. Internet covers almost every aspect of life, one can think of. What is the Internet? Rather than have the user remember long strings of numbers, the Domain Name System (DNS) was developed to translate the numerical addresses into words. Becoming Good Netizens || Your browser is equipped with many useful features to Some of the URL addresses include a directory path and a file name. Tool bar them begin with http (HyperText Transfer Protocol), followed by a colon and two

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