Internet (uses,merits and demerits)
- 1. INTERNET
- 2. Presented to: Dr Moafia Presented by: Saba Iftikhar Presented on:24/05/2016
- 3. WHAT IS INTERNET? Definition: The Internet is a global web of computers connected to each other by wires. The Internet is like a superhighway. Example: If you look at a map of big cities, smaller towns, and scattered houses, each is connected together with roads, railways, etc.. Internet connects people like computer connected by wires.
- 5. HISTORY 0F INTERNET The internet first came about in February 1958 in America A man named JCR Licklider invented it. He imagined a globally interconnected set of computers Leonard Kleinrock at MIT published the first theory in July 1961 and the first book on the subject in 1964 The internet began to grow rapidly in the 1970’s It expanded further in the 1980’s as public was becoming more aware of it.
- 7. INTERNET GROWTH TRENDS 1977: 111 hosts on Internet 1981: 213 hosts 1983: 562 hosts 1984: 1,000 hosts 1986: 5,000 hosts 1987: 10,000 hosts 1989: 100,000 hosts 1992: 1,000,000 hosts 2001: 150 – 175 million hosts 2002: over 200 million hosts By 2014, about 90% of the planet will be on the Internet
- 8. INTERNET MAP
- 9. INTERNET TERMS WWW Browser Search Engine URL Domain html
- 10. WWW The World Wide Web
- 11. Browser Software program that allows a person to view WWW documents. Examples of browsers are Netscape, Microsoft Internet Explorer, Mosaic, Mac web, and Net cruiser.
- 12. SEARCH ENGINE A web site that will help you search the Internet for key words, subjects, etc.
- 13. WHY IS IT USED? The internet is used for many different things such as: Talking to friends Online shopping- buying items Watching Videos Research Downloading/listening to music
- 14. ADVANTAGES Faster Communication: The foremost target of Internet has always been speedy communication. Entertainment : People prefer to see online movies, dramas, study and for downloading games, movies songs documentary etc.
- 15. Cheap: Internet is one of the cheapest ways to communicate with each other, transfer data, posting of information etc. Online News: Today some newspapers are uploaded, we can see online news, matches, talk shows etc. Online Education: Now a days we can teach, study online very conveniently and easily
- 16. DISADVANTAGES It promotes violence and bad behavior within society, as it contains violent videos and other disturbing images It can encourage negative activities such as pornography and pedophilia, these things can now be explored more openly due to the internet It stops children from going out, as they wish to stay home and use the internet to talk to friends etc.