Textbook Notes (368,318)
Canada (161,798)
CS101 (20)
Chapter 7

Chapter 7 CS101.docx

4 Pages
71 Views
Unlock Document

Department
Communication Studies
Course
CS101
Professor
Natalie Coulter
Semester
Fall

Description
CS101 Chapter 7-The Internet Week 10 Influence of Internet New Mass Medium -The internet emerged in the mid 1990s as a powerful new mass medium -Anyone with a computer can tap into a network -A few clicks of a mouse button will bring in vast quantities of information and entertainment that originate all over the world -In some ways the internet resembles a traditional mass medium that send messages from a central transmission point, it is much more interactive and participatory Technological Convergence -Fueled by accelerated miniaturization of equipment and the ability to compress data into tiny digital bits for storage and transmission Scope of the Internet -Every major mass media company has put products on the internet -Stats Canada estimates the number of internet users in Canada in 2006 was 17 million – 68% of the population. In 2006 advertisers spent $519 million for space on the internet -There are people who have given up reading the print edition of newspapers and instead browse through the internet edition. Some of the news sites are updated constantly New Terminology -The web is a structure of codes that permits the exchange not only of text but also of graphics, video, and audio. Web codes are elegantly simple for users, who don’t even need to know anything to tap into the web’s content. -The prefix cyber- is affixed almost casually to anything involving communication via computer Internet Technology Underlying Technologies -Digitalization-human voice could be reduced to a stream of digits -Compression-technology that makes a message more compact by deleting nonessential underlying code -Miniaturization-laptops are a marvel of miniaturization Creating the Internet -The internet had its origins in 1969, The Pentagon built it for military contractors and universities doing military research to exchange information -The NSF network then became a connector for thousands of other networks -As a backbone system that interconnects networks, internet was a name that fit -By 1996, the internet became clogged with exponential growth in traffic -Internet2 was introduced as a backbone and running by 1999 and carried data much faster -Internet3 would cost too much World Wide Web -Internet Service Providers-a new company that went into business in the 1980s to give ordinary folks a portal to CS101 Chapter 7-The Internet Week 10 the internet and help in navigating the internet’s inherent complexity and disorganization -Tim Berners-Lee-came up with an addressing system that could connect every computer in the world in 1991. Built on three components: -Universal Resource Locaters (URL)-gave every computer a unique identifier to ensure mail was delivered to the correct place -Hypertext Transfer Protocol (HTTP)-a protocol that allows computers to connect to read internet files -Hypertext Markup Language (HTML)-simple computer language that permitted someone creating an internet message to insert so-called hot spots or links that, if clicked, would instantly switch the onscreen image to something else Bandwidth -space available in a medium, such as cable or the electromagnetic spectrum, to carry messages -Fibre Optic Cable-glass strands capable of carrying data as light -Multiplexing-technology to transmit numerous messages simultaneously -Compression-technology that has been devised that screens out nonessential parts of m
More Less

Related notes for CS101

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit