COMMUNICATION TECHNOLOGY: THE INTERNET by Carlota Carmona https://padlet.com/carmona_carlota/pus92uqpfgjp en-us 2018-02-14 14:17:53 UTC 2023-05-08 15:09:25 UTC hello@padlet.com carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231492418 The internet is not the first telecommunication technology: it is the most recent of many telecommunications developments during the 19th and 20th centuries.]]> 2018-02-14 14:22:43 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231492418 HISTORY OF THE WEB carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231497545 The web began in 1989 when Tim Berners-Lee and Robert Cailliau designed a system to link documents stored in different computers.
In 1990 Tim Berners-Lee proposed the Wordl Wide Wed with a system called HyperText, to link documents.
In 1993 a program called Mosaic sparked the popularity of the World Wide Web.]]> 2018-02-14 14:30:59 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231497545 THE TECHNOLOGY BEHIND THE WEB carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231505203 2018-02-14 14:43:24 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231505203 WEB SERVERS: carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231506628 A web server is a computer that stores web pages (HTML docun¡ments.)
When we visit a web page, then internet copies the web page from the server to our computer.]]> 2018-02-14 14:45:41 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231506628 URL (UNIFORM RESOURCE LOCATOR carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231508319 The URL is teh address that we write in the web beowser to connect to a web site. It has four parts]]> 2018-02-14 14:48:32 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231508319 PROTOCOL carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231509156 The protocol are the characters before the hostname. Examples are http, ftp, telnet... A colon (:) and two forward slashes (//) separate the protocol from the hostname.]]> 2018-02-14 14:49:58 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231509156 HOSTNAME carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231849129 The hostname is the addres yhat we want to visit. ]]> 2018-02-15 11:29:36 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231849129 PATH carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231849276 This is where the file is in the server and the file name.]]> 2018-02-15 11:30:27 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231849276 HTML carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231849484 Hyper Text Markup Language (HTML) is the programming language for web pages]]> 2018-02-15 11:31:35 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231849484 ESTRUCTURE OF THE INTERNET carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231849794 2018-02-15 11:33:19 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231849794 WHAT IS A ROUTER? carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231849958 The internet is many routers conectes to each other.
The routers pass the message, making the connection from the computer that sends the information to the computer that recives the information.
There are normally tens of thousands of possible routers to the desired destination, so it is important that the routers chose the best route.]]> 2018-02-15 11:34:12 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231849958 INTERNET PROTOCOL: THE IP ADDRESS carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231851513 Each computer connected to the internet has a unique identifying number, called an "IP Address" (Internet Protocol, which is the language that computers use to communicate over the internet)
An IP address has four numbers separed by dots: 209.17.05.217]]> 2018-02-15 11:43:23 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231851513 SEARCHING FOR INFORMATION ON THE INRTERNET carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231853355 There are some web pages that have programs called "search engines" . These programs don't look for informarion, they look for web pages with a similar  title.
The most famous search engine is Google.

1- The user can select what kind of information to  search.

2- The user types in "keywords"

3- Click on "Search".]]> 2018-02-15 11:52:45 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231853355 THE COMPUTER AS A COMMUNICATION TOOL: carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231855632 2018-02-15 12:04:43 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231855632 EMAIL carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231855830 You probably know what email is: a way to send a letter from one address to another address]]> 2018-02-15 12:05:50 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231855830 VIDEO-CONFERENCING carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231856505 Video conferencing is a telecommunivation technology that allows sevelar individuals to communicate simultaneously with voice and image.
The users of the "conference" need:

-A computer

-A web cam

-A microphone and soeakers 

-The video conference software, wich is normally free, such as Skype or Messenger]]> 2018-02-15 12:09:12 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/231856505 BLOGS carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/233739172 A blog is a place where a person writes information for other people to read.

]]> 2018-02-21 14:14:10 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/233739172 CHATS carmona_carlota https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/233742274 Chats are a way to exchange mesaages intantly with one or several other users who are online simultaneously]]> 2018-02-21 14:19:06 UTC https://padlet.com/carmona_carlota/pus92uqpfgjp/wish/233742274