INSY402 S.A.Idowu email:saidowuclass@yahoo.co.in 1 Lesson1‚2 and 3 Internet Network Edge Network Core Core Network Switching Schemes Circuit Switching Packet Switching (pipelining) Network Delay Nodal Processing Delay Queuing Delay Transmission Delay Propagation Delay 2 OSI 7-Layer Model In the 70’s‚ computer networks were ad hoc‚ vendor-specific Open Systems Interconnection model developed by the ISO (International
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HISTORY OF COMPUTERS AND THE INTERNET OUTLINE 1B MODULE Steps Toward Modern Computing 31 First Steps: Calculators 31 The Technological Edge: Electronics 31 Putting It All Together: The ENIAC 36 The Stored-Program Concept 36 The Computer’s Family Tree 37 The First Generation (1950s) 37 The Second Generation (Early 1960s) 38 The Third Generation (Mid-1960s to Mid-1970s) 39 The Fourth Generation (1975 to the Present) 41 A Fifth Generation? 44 The Internet Revolution 45 Lessons Learned 48
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Nowadays everybody is talking about the internet‚ a century creation‚ which has converted the whole world into a single home. The use of internet has turned our lives to be much easier and comfortable. It is found that in 1990s the adolescents used the internet primarily for entertainment but at present they use it for interpersonal communication. Opportunities for youths to form‚ maintain and develop relationships on the internet have multiplied in the past few years. Along with the increase in
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WITHIN a few months China will overtake America as the country with the world’s largest number of internet users. Even when you factor in (include s/t as a relevant element when making a decision) China’s size and its astonishing rate of GDP growth‚ this will be a remarkable achievement for what remains a poor economy. For the past three years China has also been the world’s largest exporter of information and communications technology (ICT). It already has the same number of mobile-phone users
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Internet usage and gender digital divide in a Romanian students’ sample (Codoban‚ 2005) This research focuses on analyzing gender differences in technology adoption and internet usage. As the global penetration rate of the internet increases‚ the tendency towards the narrowing of gender digital divide increases. Previous studies have shown that there is no gender difference in internet use in the USA and a rapid rise in the proportion of female internet users in China. From the study findings‚
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Internet penetration in Malaysia has increased steadily in the past 10 years‚ either through computers or mobile phones. Internet penetration refers to the percent of the population using the internet. It clearly means the number of people in Malaysia that have been using the internet since the internet was introduced to Malaysia in 1995. From that point on the internet usage of Malaysians has increased rapidly since 1995. Internet penetration in Malaysia has been divided into two groups. That is
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Newspapers and Internet The mass media is an important part of our life. Now it is an information era. Everyone may get information from the media daily‚ such as news papers‚ TV‚ radio and the Internet. Over 55 million newspapers are circulated a day. Many people are accustomed to reading a newspaper when they eat breakfast or spend their spare time. However‚ more recently‚ with the Internet exposure‚ more and more people would rather surf the Internet to find information than read newspapers
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Internet Protocols NAME CIT/278 May 27‚ 2013 Professor Internet Protocols Internet protocols‚ or Internet rules‚ are the standards used to send data from one computer to another. The protocols that expedite data transfer include Internet Protocol Versions Four and Six‚ Remote Access‚ Hyper Transfer‚ File Transfer‚ Electronic Mail‚ and Network News Transfer. Communication and information transfer on the Internet is becoming available in constantly increasing speeds. Internet protocols use these increasing
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it was before. Internet is one of the greatest inventions in 20 th century. The Internet is like a network of networks where any computer can link up to information stored within it. I strongly believe that internet is an integral part of the development of society. There are many advantages to using the internet. First of all‚ Internet is a great mean of communication. Distance is no longer a matter of concern when we can send mails within a few seconds or make cheap internet phone call. We can
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thinking about life before the human inventions‚ I couldn’t believe how difficult life was. One of the big inventions is Internet. It is useful for several reasons. After its invention my life became more agile and simple. It changed the world making human life much easier. I have always thought of the Internet as one of the most important inventions created. Before the internet life was hard. People only communicated through letters or telephone. Letters took hours or days to get to their destinations
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