Internet
- 1. Topic:- Internet Created by:-. Mrs Rajni Asst. Prof. in Computer science Pt. Mohan Lal SD College For Women, Gurdaspur
- 2. •The Internet or “Net” (network of networks) is the largest computer network in the world that connects billions of computer users. • The word internet comes from combination between “interconnection” and “Network” • Network is a collection of computers and devices connected via communication channels and transmission media allow to share resources (hardware, software, data, information). • Generally nobody own internet.
- 3. • ARPA – Advanced Research Project Agency. •1969 January 2 – started an experimental Computer Network. •Concept – No Server, but equal importance/participation to every computer in the Network. •Even if, one or two node destroyed that will not affect the Network
- 4. •In 1982 the word internet started. • 1986: First “freenet” created in Case Western Reserve University •1991: US government allowed business agencies to connect to internet. •Now all peoples can connect to internet and improve their life and work quality. • The internet support various aspects in our life
- 5. •Father of Internet •Co-designer of the TCP/IP networking protocol.
- 6. •A software application for retrieving, presenting, and traversing information resources on the World Wide Web. •It allows to locate, view, and navigate the web. • It can have a Graphical User Interface, meaning they can display pictures (graphics) in addition to text and other forms of multimedia such as sound and video like Internet Explorer, Mozilla Firefox, Chrome and Opera, or can be text-based, like Lynx or Links. •First web browser was develop in 1991: Mosaic develop by Marc Andreessen.
- 7. •Google Chrome • Mozilla Firefox • Internet explorer • Safari •Opera Mini • Netscape Navigator
- 9. Communication:- • It including the process of collecting, processing, distributing, sharing, retrieving, transferring and storing the information. •Communication is a process transmitting and receiving symbol, data, image, text, document, graphic etc by using various computer devices. • Internet now being a main communication tool. Using video conferencing, internet phone, Messenger, email etc
- 10. Research: • In order to do research you need to go through hundreds of books as well as the references and that was one of the most difficult jobs to do earlier. •Research is one such thing which has got lots of benefit from this evolution of internet.
- 11. Education: Education is one of the best things that the internet can provide There are a number of books, reference books, online help centres, expert’s views and other study oriented material on the internet that can make the learning process very easier as well as a fun learning experience.
- 12. Financial Transactions: Financial transaction is the term which is used when there is exchange of money. With the use of internet in the financial transaction, your work has become a lot easier. With the ability to do the financial transaction easily over the internet you can purchase or sell items so easily
- 14. Theft of Personal Information: • The use of Internet for banking, social networking, or other services, often makes our personal information vulnerable to theft • Unscrupulous hackers can access our sensitive information through unsecured connections by planting phishing software.
- 15. Spamming: • Spamming refers to sending unwanted e-mails, which serve no purpose and needlessly obstruct the computer system • Spammers usually use bots that bombard the receiver with an endless line of advertisements. • This can prove to be increasingly perplexing, as it keeps getting mixed with our more important emails
- 16. Malware Threats : • One of the most annoying problems with the Internet is the ease with which any malware can infect our computers. • Virus programs are inconspicuous and may get activated simply by clicking a seemingly harmless link • Computers connected to the Internet are extremely prone to IP targeted virus attacks that may end up crashing the system completely.
- 17. Social Isolation, Obesity and Depression: • The biggest problem with having the Internet is, its ability to create rifts between the real and virtual world. • There is an addiction for everything that pertains to the web and that includes excessive surfing, online gambling, social networking, and gaming addiction • Since all problems are so deeply linked with one another and with the Internet, it isn't uncommon for people to be afflicted with multiple issues.
- 18. Thank You