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Uploaded byPrem Sahu
Internet
The document discusses various topics related to internet technology. It defines internet as an interconnected global network of devices using common communication protocols. It describes how to access the internet using a browser and entering a URL. It differentiates intranets, which are private networks not accessible publicly, from extranets, which allow private network access via public networks. It also discusses internet browsers, spam emails, malware/spyware/phishing, blocking websites, deleting browsing history, popular social media/search engines/email sites, and other computer-related websites.
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Internet
- 1. Internet Technology Prepared byPrem Sahu
- 2. Internet Internet means internetwork system connected globally with specific protocol through wired or wireless. www- World Wide Web URL- Uniform Resource Locator
- 3. How to accessInternet Open any Internet browser like Internet Explorer, Mozilla Firefox, Google Chrome. Type the web site address in URL.
- 4. Intranet It is aprivate network which is not connected to internet or not accessible through public network. It may be within office or multiple location but access through their own network.
- 5. Extranet It is combinationof Intranet and internet, which means private network is connected to Internet and accessible through public network.
- 6. Internet Browser Internet browseris a software to browse website and used to access web page of remote system in the html, xml format. 1. IE6, 7,8,9, 10 2. Mozilla Firefox 3. Google Chrome 4. Opera 5. Safari 6. Netscape
- 7. Spam A mail issent to number of people or group which is generally sent for marketing or publicity which may contains virus or code which can use for steal or damage computer. You can find spam option in your mail. Whenever anybody send a mail to multiple users it will go to spam folder. Delete the spam mail without opening it.
- 8. Malware, Spyware andphishing Malware: Malicious Software: It is program or code which is used to damage or corrupt the computer system. It is harmful for our system. Use anti-malware or antivirus software to protect system from malware code or program. Spyware: It is program or code which is used to gather and steal your system information without your knowledge. Generally it came through internet and gather information from browsing history for hacking purpose Phishing: Phishing means search for secret information of user through internet which can cause personal inconvenience to user Hackers use this to gather information about online transaction through credit, debit card or net banking
- 9. Block websites Block websitein Internet Explorer: Open Internet Explorer- go to Tools- Internet option- Security tab- select Restricted site- click in site- type the full website name- click in add- closed apply – ok Now try to open that website through Internet explorer.
- 10. Delete browsing history Deletebrowsing history, form and password stored by Internet Explorer. Open Internet Explorer- tools – delete browsing history or press ctrl+shift+del Select option which you want to delete It is recommended to delete the browsing history regularly.
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