Wednesday, June 12, 2013
Wednesday, January 16, 2013
Transmitting Signals
How is a signal transmitted across a network, e.g the internet?
http://curiosity.discovery.com/question/how-signals-transmitted-internet
Part of what makes the Internet so robust is the numerous ways data can travel across the system. There are physical lines that connect computers together -- these are usually made out of copper wire or fiber-optic cables. Radio towers, cell phone towers, 4G towers and satellites also can transmit data across the Internet. Then there are the thousands of computers that act as clients, servers or both. These computers are the connection points that allow information to pass from one computer to another, even if the two computers are on opposite sides of the Earth.
According to an online resource...
http://compnetworking.about.com/cs/routers/g/bldef_router.htm
http://curiosity.discovery.com/question/how-signals-transmitted-internet
Part of what makes the Internet so robust is the numerous ways data can travel across the system. There are physical lines that connect computers together -- these are usually made out of copper wire or fiber-optic cables. Radio towers, cell phone towers, 4G towers and satellites also can transmit data across the Internet. Then there are the thousands of computers that act as clients, servers or both. These computers are the connection points that allow information to pass from one computer to another, even if the two computers are on opposite sides of the Earth.
According to an online resource...
http://compnetworking.about.com/cs/routers/g/bldef_router.htm
Definition: Routers are small physical devices that join multiple networks together. Technically, a router is a Layer 3 gateway device, meaning that it connects two or more networks and that the router operates at the network layer of the model.
What is a 'Network Packet'
Network Packet
According to wikipedia...
http://en.wikipedia.org/wiki/Network_packet
In computer networking, a packet is a formatted unit of data carried by a packet mode computer network. Computer communications links that do not support packets, such as traditional point-to-point telecommunications links, simply transmit data as a series of bytes, characters better shared among users than if the network were circuit switch.
Wednesday, January 9, 2013
Defining Terminology 'Deep/Invisible Web'
Invisible Web
According to wikipedia...
http://en.wikipedia.org/wiki/Invisible_web
The Deep Web (also called the Deepnet, the Invisible Web, the Undernet or the hidden Web) is World Wide Web content that is not part of the Surface Web, which is indexed by standard search engines.
What I think it is...
human brain...
I dont really understand what the invisible web is but after some research I came to the conclusion that the invisible web is everything that is going on 'behind closed doors'. The Invisible web is sort of running the world wide web without us knowing.
According to wikipedia...
http://en.wikipedia.org/wiki/Invisible_web
The Deep Web (also called the Deepnet, the Invisible Web, the Undernet or the hidden Web) is World Wide Web content that is not part of the Surface Web, which is indexed by standard search engines.
What I think it is...
human brain...
I dont really understand what the invisible web is but after some research I came to the conclusion that the invisible web is everything that is going on 'behind closed doors'. The Invisible web is sort of running the world wide web without us knowing.
Defining Terminology 'Web 1.0 and 2.0'
What is Web 1.0 and Web 2.0?
Web 1.0
http://en.wikipedia.org/wiki/Web_1.0
Web 1.0 was an early stage of the conceptual evolution of the World Wide Web, centered around a top-down approach to the use of the web and its user interface. Socially, users could only view webpages but not contribute to the content of the webpages.
Web 2.0
http://oxforddictionaries.com/definition/english/Web%2B2.0?q=web+2.0
The second stage of development of the Internet, characterized especially by the change from static web pages to dynamic or user-generated content and the growth of social networking.
Web 1.0
http://en.wikipedia.org/wiki/Web_1.0
Web 1.0 was an early stage of the conceptual evolution of the World Wide Web, centered around a top-down approach to the use of the web and its user interface. Socially, users could only view webpages but not contribute to the content of the webpages.
Web 2.0
http://oxforddictionaries.com/definition/english/Web%2B2.0?q=web+2.0
The second stage of development of the Internet, characterized especially by the change from static web pages to dynamic or user-generated content and the growth of social networking.
Defining Terminology 'World Wide Web'
What is the World Wide Web?
According to a dictionary...
http://dictionary.reference.com/browse/world+wide+web?s=t
a system of extensively interlinked hypertext documents: a branch of the Internet. Abbreviation: WWW
Wikipedia sais...
http://en.wikipedia.org/wiki/World_Wide_Web
The World Wide Web (abbreviated as WWW or W3, commonly known as the Web), is a system of interlinked hypertext documents accessed via the Internet. With a web browser, one can view web pages that may contain text, images, videos, and other multimedia, and navigate between them via hyperlinks.
What I think it is...
me...
I think the world wide web, as an acronym is a clever idea of a web. The world wide Web, also known as WWW is a web that connects web pages. These web pages are the pages we view in everyday life. For example facebook is a small string in the whole world wide web connecting with other websites thus creating a web of pages/sites. The internet is sort of like the spider of the web, giving access to any string on the web. The spider can sit on a piece of the web and view it then move on.
Differences between The Internet and the World Wide Web...
^ See paragraph above ^
According to a dictionary...
http://dictionary.reference.com/browse/world+wide+web?s=t
a system of extensively interlinked hypertext documents: a branch of the Internet. Abbreviation: WWW
Wikipedia sais...
http://en.wikipedia.org/wiki/World_Wide_Web
The World Wide Web (abbreviated as WWW or W3, commonly known as the Web), is a system of interlinked hypertext documents accessed via the Internet. With a web browser, one can view web pages that may contain text, images, videos, and other multimedia, and navigate between them via hyperlinks.
What I think it is...
me...
I think the world wide web, as an acronym is a clever idea of a web. The world wide Web, also known as WWW is a web that connects web pages. These web pages are the pages we view in everyday life. For example facebook is a small string in the whole world wide web connecting with other websites thus creating a web of pages/sites. The internet is sort of like the spider of the web, giving access to any string on the web. The spider can sit on a piece of the web and view it then move on.
Differences between The Internet and the World Wide Web...
^ See paragraph above ^
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