SURFING THE INTERNET

[Audio] SURFING THE INTERNET ATV. SURFING THE INTERNET.

[Audio] OUTLINE Introduction to the internet Introduction to the web Surfing the internet Features of a browser Finding your way around How do web indexes know what they know? Advantages and disadvantages of internet.

[Audio] Introduction to the internet The internet is a globally, decentralized network Known as the "network of networks“ Connects billions of devices using standardized protocols (TCP/IP) to share information instantly enables services like email, file transfers, and the World Wide Web, data travels via physical cables and satellites. A vital tool for communication, education, and commerce..

[Audio] Introduction to the web WWW - World Wide Web A popular segment of the Internet that contains billions of documents called Web pages COMPONENTS OF A WEB PAGE Text, Graphics, Sound Video And built-in connections, or links, to other Web pages stored on computers throughout the world..

[Audio] REASONS FOR SURFING THE INTERNET Users connect to the internet for the following reasons: To send messages, Access information, Shop for goods and services, Meet or converse with other users, Access sources of entertainment and pleasure..

[Audio] How to Surf the Internet Specific instructions will vary depending on your access provider and software Start up your computer, and make sure that your modem is on and connected to a telephone line. Open your access software (Browser). Initiate the connection. Many access software packages will display the status of the connection process, which generally takes between 15 and 30 seconds. Once you have successfully connected access and launch your Web browser..

[Audio] Features of a browser A browser is a software that renders webpages. Software application used to access, navigate, and display information on the World Wide Web It acts as a bridge between the user and the internet, converting website code (HTML, CSS, JavaScript) into visual pages. Common examples: Google Chrome, Safari, Microsoft Edge, Mozilla Firefox..

[Audio] Parts of a Browser (Google Chrome). Parts of a Browser (Google Chrome).

[Audio] Features of a browser Title Bar The title bar displays the names of all the websites opened. As you can see in the image above, the name of the website opened is Google. Address Bar Address Bar is the area for typing in the URL or in simple terms the website address. URL: Uniform Resource Locator. Like an address to a house, URL points to the location of the website to be opened on a server.

[Audio] Navigation Buttons FORWARD to move to an already opened page forward BACK button takes you back to an opened page RELOAD: used when the page needs to be refreshed due to reasons like improper rendering of the page or when connection to the internet is lost. Search Bar/Box: The search box/ bar is the area to type in anything/any information you want to search for..

[Audio] Finding Your Way Around Type the URL (Uniform Resource Locator) address of a site into the address bar field of your browser. Click on hyperlinks to move among resources; your home page probably has some links to interesting sites. Access a jump site, which is a page consisting mainly of categorized hotlinks to other sites. Again, your home page may function as a jump site. Access a Web index, which lets you access sites by typing in keywords..

[Audio] How Do Web Indexes Know What They Know? Cataloguing everything on the Web is close to impossible Web indexes meet this challenge using two primary strategies To build an index is to let the site creators register their sites with the index Use special software that automatically scans the Web for new sites and catalogues them.

[Audio] Such software are specially termed: "crawler," "spider," or "bot" (short for "robot") software Others use a combination of the two methods Some indexes catalog other portions of the Net in addition to the Web Example: DejaNews, catalogs messages in USENET newsgroups)..

[Audio] advantages of Internet Faster access to information: Health professionals quickly access medical journals, research articles, and other information that can aid in diagnosis and treatment. Remote collaboration: Health professionals can collaborate with colleagues in other locations or even countries, which can lead to better and more efficient patient care..

[Audio] Improved accuracy: The internet provide access to a wide range of resources, including databases, online tools, and expert forums, which can help improve the accuracy of test results, diagnoses and treatment measures. Cost savings: By using the internet to transmit test results and other information, money on printing, paper, and other supplies can be saved..

[Audio] Disadvantages of Internet Security risks: Using the internet to transmit sensitive patient data or test results could potentially expose that information to unauthorized individuals or hackers. Reliability issues: The internet connection could be unstable or slow, which could impact the speed and accuracy of tests and results. Misinformation: With so much information available on the internet, it can be difficult to differentiate between accurate and inaccurate medical information, which could lead to errors in diagnosis or treatment..

[Audio] Dependence on technology: In the event of a power outage or other technical issues, the facility may not be able to function properly, which could delay critical processes and patient care. Cost: Setting up and maintaining a secure and reliable internet connection can be expensive, especially for smaller or less well-funded laboratories. Viruses/Malware: Often our systems get infected from viruses and ultimately damage our important data which is difficult to recover. These viruses are transported via the internet, CDs, and USBs. Our computer can become totally out of order.

[Audio] Thank you. Thank you.