<ul><ul><li>INFORMATION </li></ul></ul><ul><ul><li>COMMUNICATION </li></ul></ul><ul><ul><li>TECHNOLOGY </li></ul></ul><ul>...
Objectives <ul><li>Explain concepts, requirements and terminologies of internet. </li></ul>
Required Previous Knowledge <ul><li>Students understand how the traditional Ghana Post Service works, for domestic and int...
REVIEW WHAT ARE SOME APPLICATION SOFTWARE THAT IS USED WITH THE INTERNET?
DISCUSSION HOW DO WE SEND LETTERS TO FRIENDS WITHIN AND OUTSIDE OF GHANA?
NETWORKS TRADITIONAL vs. COMPUTER
Networks (Tradition vs. Computer) <ul><li>Network : </li></ul><ul><ul><li>A group or system of interconnected people or th...
THE INTERNET
The Internet <ul><li>The internet is a wide world collection of computer networks which co-operate with each other to exch...
 
INTERNET TERMINOLOGIES
Terminologies Of The Internet <ul><li>Web Page </li></ul><ul><li>Chats  </li></ul><ul><li>Discussions Boards  </li></ul><u...
Benefits Derived From  The Use Of The Internet <ul><li>Provides users the opportunity to search and have access to a wide ...
History Of The Internet <ul><li>Built by the US Department of Defense to serve two purpose: </li></ul><ul><ul><li>To share...
History Of The Internet <ul><li>1969 ~ U.S. Department Of Defense “ARPA Net” (Advance Research Project Agency Network). </...
TRANSMISSION CONTROL PROTOCOL / INTERNET PROTOCOL (TCP/IP)
Definition ~ Protocol <ul><li>A standard set of rules that determines or specifies how computers communicate with each oth...
TCP / IP <ul><li>TCP ~ Transmission Control Protocol </li></ul><ul><li>IP ~ Internet Protocol </li></ul><ul><li>TCP/IP is ...
Internet Protocol (IP) <ul><li>IP makes use of packet switching.  </li></ul><ul><li>Data sent to the network is broken up ...
TCP/IP <ul><li>The transmitting machine's TCP packets are placed in IP packets for transmission.  </li></ul><ul><li>At the...
WORLD WIDE WEB (WWW)
World Wide Web ~ (WWW)‏ <ul><li>“ The web” as it is also called is an  interconnected system of web sites all over the wor...
World Wide Web ~ (WWW)‏ <ul><li>Information is transferred between computers using HTTP (Hypertext Transfer Protocol)  </l...
How The WWW Works <ul><li>Uses a master/slave or server/client  relation. </li></ul><ul><li>The browser program acts like ...
How The WWW Works
WEB BROWSER
Web Browser <ul><li>It is an application software that allows you to interact with the  World Wide Web. </li></ul><ul><li>...
Home Page <ul><li>Is the default web page or first page you see when you access a website. </li></ul><ul><li>It usually in...
WEB PAGE
Web Page
Web Page / Website <ul><li>Is a group of files stored on a computer or server, that users of the www access when they wish...
SEARCH ENGINES
Search Engines <ul><li>It is an interactive tool that enables users to locate information available through the world wide...
BLOGS
BLOGS (Web Log) <ul><li>Blog is the short for Weblog.  </li></ul><ul><li>It is a journal or news letter that is usually me...
 
UNIVERSAL RESOURCE LOCATOR  (URL)
URL <ul><li>URL ~ Universal Resource Locator.  </li></ul><ul><li>Is an address that points to a specific resource on the w...
HTML
Hyper-Text Mark Up Language <ul><li>HTML ~ Hyper Text Mark Up Language </li></ul><ul><li>HTML is the default language for ...
Hyper-Text Mark Up Language <ul><li>HTML may be displayed by a web browser, email client, or a mobile phone. </li></ul><ul...
HYPERTEXT TRANSFER PROTOCOL (HTTP)
HTTP <ul><li>HTTP ~ Hypertext Transfer Protocol </li></ul><ul><li>HTTP is the default protocol for  transmitting text over...
FILE TRANSFER PROTOCOL (FTP)
FTP <ul><li>FTP ~ File Transfer Protocol </li></ul><ul><li>Like HTTP, FTP is a protocol that handles the sending and recei...
ELECTRONIC MAIL (E-MAIL)
E-Mail (Electronic-Mail)‏ <ul><li>For many people the main attraction of the internet is E-Mail.  </li></ul><ul><li>It is ...
How E-Mail Works <ul><li>Communication involves the interaction between multiple programs.  </li></ul><ul><li>These progra...
How E-Mail Works E-Mail Client Sender’s Computer E-Mail Client Recipient's Computer Internet E-Mail Server TCP/IP Internet...
E-Mail (Local vs. Web Clients)
LISTSERVS
Listsevs / List Serves <ul><li>It is a type of service on the internet that helps to redistribute E-mail to the available ...
DISCUSSIONS BOARDS
Discussion Boards <ul><li>Discussion Boards refers to an online “bulletin board /  notice board”. </li></ul><ul><li>Users ...
 
ONLINE CHATS
Online Chats <ul><li>A form of communication over the internet that allows users to have a one-on-one chat with friends an...
Online Chats
SYNCHRONOUS TRANSMISSION
Synchronous Transmission <ul><li>Data is sent at pre-defined intervals or regular intervals.  </li></ul><ul><li>Deal with ...
ASYNCHRONOUS TRANSMISSION
Asynchronous Transmission <ul><li>Mode of transmission in which data being sent has no pre-defined intervals or has irregu...
CLASS WORK
Class Work <ul><li>Working in groups of four (4) or less students. </li></ul><ul><li>Come out with four benefits you can g...
HOMEWORK
Home Work <ul><li>In  Your Own Words  define the following terms: </li></ul><ul><ul><li>Internet </li></ul></ul><ul><ul><l...
QUESTIONS
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Form 1 Term 2 Week 4.2

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Form 1 Term 2 Week 4.2

  1. 1. <ul><ul><li>INFORMATION </li></ul></ul><ul><ul><li>COMMUNICATION </li></ul></ul><ul><ul><li>TECHNOLOGY </li></ul></ul><ul><ul><li>Term 2~ Week 4.2 </li></ul></ul><ul><ul><li>Specific Objective ~ 2.1.1 </li></ul></ul>
  2. 2. Objectives <ul><li>Explain concepts, requirements and terminologies of internet. </li></ul>
  3. 3. Required Previous Knowledge <ul><li>Students understand how the traditional Ghana Post Service works, for domestic and international post. </li></ul><ul><li>Perform basic word processing skills (typing, spell check, formatting, etc.). </li></ul>
  4. 4. REVIEW WHAT ARE SOME APPLICATION SOFTWARE THAT IS USED WITH THE INTERNET?
  5. 5. DISCUSSION HOW DO WE SEND LETTERS TO FRIENDS WITHIN AND OUTSIDE OF GHANA?
  6. 6. NETWORKS TRADITIONAL vs. COMPUTER
  7. 7. Networks (Tradition vs. Computer) <ul><li>Network : </li></ul><ul><ul><li>A group or system of interconnected people or things. </li></ul></ul><ul><ul><li>A group of people who exchange information and experience for professional or social purposes. </li></ul></ul><ul><ul><li>Examples </li></ul></ul><ul><ul><ul><li>Trade network </li></ul></ul></ul><ul><ul><ul><li>Stock Market </li></ul></ul></ul><ul><li>Computer network : </li></ul><ul><ul><li>A process whereby two or more computers communicate and share resources. </li></ul></ul><ul><ul><li>Can be accomplished two ways: </li></ul></ul><ul><ul><ul><li>Physically connected through the use of cables. </li></ul></ul></ul><ul><ul><ul><li>Wirelessly connected using RF, IR, etc. </li></ul></ul></ul>
  8. 8. THE INTERNET
  9. 9. The Internet <ul><li>The internet is a wide world collection of computer networks which co-operate with each other to exchange data using a common standard software called TCP or IP. </li></ul><ul><li>It is a &quot;network of networks&quot; that consists of millions of smaller domestic, academic, business, and government networks, which together carry various information and services. </li></ul><ul><li>http://en.wikipedia.org/wiki/Internet </li></ul>
  10. 11. INTERNET TERMINOLOGIES
  11. 12. Terminologies Of The Internet <ul><li>Web Page </li></ul><ul><li>Chats </li></ul><ul><li>Discussions Boards </li></ul><ul><li>Synchronous </li></ul><ul><li>Asynchronous </li></ul><ul><li>WWW (World Wide Web) </li></ul><ul><li>http (Hypertext Transfer Protocol) </li></ul><ul><li>ftp (File Transfer Protocol) </li></ul><ul><li>HTML </li></ul><ul><li>URL (Uniform Resource Locator) </li></ul><ul><li>IP (Internet Protocol) </li></ul><ul><li>E-Mail </li></ul><ul><li>TCP (Transmission Control Protocol) </li></ul><ul><li>Search engines </li></ul><ul><li>Blogs </li></ul><ul><li>Listservs </li></ul>
  12. 13. Benefits Derived From The Use Of The Internet <ul><li>Provides users the opportunity to search and have access to a wide range of topics. </li></ul><ul><li>Helps in communicating with friends, family, business associates, etc via the use of E-mail, on-line chats, blogs, etc. </li></ul><ul><li>Allows for the sharing of software or resources between computers all across the world </li></ul>
  13. 14. History Of The Internet <ul><li>Built by the US Department of Defense to serve two purpose: </li></ul><ul><ul><li>To share research findings among the military, industry and institution. </li></ul></ul><ul><ul><li>To provide a system for sustaining communication among military units in event of an attack, regardless of the different kinds of connected computers. </li></ul></ul>
  14. 15. History Of The Internet <ul><li>1969 ~ U.S. Department Of Defense “ARPA Net” (Advance Research Project Agency Network). </li></ul><ul><li>Development had to find a way for the various computers to speak the same language and the solution was TCP/IP. </li></ul>
  15. 16. TRANSMISSION CONTROL PROTOCOL / INTERNET PROTOCOL (TCP/IP)
  16. 17. Definition ~ Protocol <ul><li>A standard set of rules that determines or specifies how computers communicate with each other across a network. </li></ul><ul><li>Before computers can communicate with each other or exchange messages they must have a common language to help them determine what each message means. </li></ul>
  17. 18. TCP / IP <ul><li>TCP ~ Transmission Control Protocol </li></ul><ul><li>IP ~ Internet Protocol </li></ul><ul><li>TCP/IP is the default protocol that specify how computer communicate over the internet. All computers that use the internet need the TCP and IP. </li></ul>
  18. 19. Internet Protocol (IP) <ul><li>IP makes use of packet switching. </li></ul><ul><li>Data sent to the network is broken up into packets, with a limited size. </li></ul><ul><li>The protocol defines how each packet is to be marked with the addresses of the source and destination and how it is to be routed. </li></ul>
  19. 20. TCP/IP <ul><li>The transmitting machine's TCP packets are placed in IP packets for transmission. </li></ul><ul><li>At the receiving machine, the TCP packets are reassembled and the data extracted from. </li></ul><ul><li>If any packets are missing or corrupted, a signal is sent to the sending machine, to retransmit them. </li></ul>
  20. 21. WORLD WIDE WEB (WWW)
  21. 22. World Wide Web ~ (WWW)‏ <ul><li>“ The web” as it is also called is an interconnected system of web sites all over the world that share information. </li></ul><ul><li>The www is an internet service that organizes information using a format called Hyper Text Markup Language. </li></ul>
  22. 23. World Wide Web ~ (WWW)‏ <ul><li>Information is transferred between computers using HTTP (Hypertext Transfer Protocol) </li></ul>
  23. 24. How The WWW Works <ul><li>Uses a master/slave or server/client relation. </li></ul><ul><li>The browser program acts like a client that uses the internet to contact a remote server for the requested page. </li></ul><ul><li>The server on the remote system returns a the page along with additional information. </li></ul>
  24. 25. How The WWW Works
  25. 26. WEB BROWSER
  26. 27. Web Browser <ul><li>It is an application software that allows you to interact with the World Wide Web. </li></ul><ul><li>You type and or use the mouse to click on a word or picture to guide you from one web page to another. </li></ul>
  27. 28. Home Page <ul><li>Is the default web page or first page you see when you access a website. </li></ul><ul><li>It usually includes: </li></ul><ul><ul><li>Introduction to the sites purpose </li></ul></ul><ul><ul><li>Links to other pages </li></ul></ul><ul><ul><li>An index of the site </li></ul></ul><ul><ul><li>Contact information </li></ul></ul>
  28. 29. WEB PAGE
  29. 30. Web Page
  30. 31. Web Page / Website <ul><li>Is a group of files stored on a computer or server, that users of the www access when they wish to view a web site. </li></ul><ul><li>Each and every page has a links that are selectable that takes you to another web page. </li></ul>
  31. 32. SEARCH ENGINES
  32. 33. Search Engines <ul><li>It is an interactive tool that enables users to locate information available through the world wide web. </li></ul><ul><li>It presents a text box for the user to fill it, submit and retrieve the list of resources that match the search criteria. </li></ul>
  33. 34. BLOGS
  34. 35. BLOGS (Web Log) <ul><li>Blog is the short for Weblog. </li></ul><ul><li>It is a journal or news letter that is usually meant to serve the general public. </li></ul><ul><li>It is often frequently updated to help the general public be kept up to date. </li></ul><ul><li>The process of updating the blog is called “blogging” and the one who takes care of the blog is called “blogger”. </li></ul>
  35. 37. UNIVERSAL RESOURCE LOCATOR (URL)
  36. 38. URL <ul><li>URL ~ Universal Resource Locator. </li></ul><ul><li>Is an address that points to a specific resource on the world wide web. </li></ul><ul><li>To goto a particular website, you must know its' URL correctly spelled. </li></ul><ul><li>Examples include: </li></ul><ul><ul><li>www.apsecans.com </li></ul></ul><ul><ul><li>www.nasa.gov </li></ul></ul><ul><ul><li>www.google.com </li></ul></ul><ul><ul><li>www.bbc.co.uk </li></ul></ul>
  37. 39. HTML
  38. 40. Hyper-Text Mark Up Language <ul><li>HTML ~ Hyper Text Mark Up Language </li></ul><ul><li>HTML is the default language for creating webpages. </li></ul><ul><li>HTML a system in which documents scattered across the internet can be linked so that a word or phrase in one document becomes a connection to a different document. </li></ul>
  39. 41. Hyper-Text Mark Up Language <ul><li>HTML may be displayed by a web browser, email client, or a mobile phone. </li></ul><ul><li>HTML files are text files stored on the internet and utilize a standardized set of codes or “tags” to define the structure / formatting of the web page. </li></ul>This is a <span style=&quot;font-style: italic;&quot;> Sample </span> of <span style=&quot;font-weight: bold;&quot;> HTML </span> This is a Sample of HTML
  40. 42. HYPERTEXT TRANSFER PROTOCOL (HTTP)
  41. 43. HTTP <ul><li>HTTP ~ Hypertext Transfer Protocol </li></ul><ul><li>HTTP is the default protocol for transmitting text over the internet. </li></ul><ul><li>HTTP is used commonly on the internet for transmitting webpages (HTML, images, etc) from servers to browsers. </li></ul><ul><li>http://en.wikibooks.org/wiki/Communication_Networks/HTTP_Protocol </li></ul>
  42. 44. FILE TRANSFER PROTOCOL (FTP)
  43. 45. FTP <ul><li>FTP ~ File Transfer Protocol </li></ul><ul><li>Like HTTP, FTP is a protocol that handles the sending and receiving of files. </li></ul><ul><li>Although not as popular it is one way to download files from the internet. </li></ul><ul><li>http://en.wikibooks.org/wiki/Communication_Networks/FTP_Protocol </li></ul>
  44. 46. ELECTRONIC MAIL (E-MAIL)
  45. 47. E-Mail (Electronic-Mail)‏ <ul><li>For many people the main attraction of the internet is E-Mail. </li></ul><ul><li>It is a service that permits one to send or receive a memo from another person or group. </li></ul><ul><li>It is the technological equivalent of the international postal service. </li></ul>
  46. 48. How E-Mail Works <ul><li>Communication involves the interaction between multiple programs. </li></ul><ul><li>These programs again work in a client / server approach. </li></ul><ul><li>That is the two programs co-operate to transmit the message from the sender’s computer to the recipient computer. </li></ul>
  47. 49. How E-Mail Works E-Mail Client Sender’s Computer E-Mail Client Recipient's Computer Internet E-Mail Server TCP/IP Internet E-Mail Server TCP/IP
  48. 50. E-Mail (Local vs. Web Clients)
  49. 51. LISTSERVS
  50. 52. Listsevs / List Serves <ul><li>It is a type of service on the internet that helps to redistribute E-mail to the available names on the mailing list. </li></ul><ul><li>A user can subscribe to the mailing list by sending an E-mail to the mailing list. </li></ul><ul><li>Once you become a subscriber, the list server will add your name so that you can receive future E-mail postings. </li></ul>
  51. 53. DISCUSSIONS BOARDS
  52. 54. Discussion Boards <ul><li>Discussion Boards refers to an online “bulletin board / notice board”. </li></ul><ul><li>Users can leave questions or messages and wait for responses in the future. </li></ul><ul><li>Today discussion boards are part of a website with the help of a Discussion Board Application Software. </li></ul>
  53. 56. ONLINE CHATS
  54. 57. Online Chats <ul><li>A form of communication over the internet that allows users to have a one-on-one chat with friends and other people. </li></ul><ul><li>Chat can be accomplished through a web page or a client installed on your personal computer. </li></ul>
  55. 58. Online Chats
  56. 59. SYNCHRONOUS TRANSMISSION
  57. 60. Synchronous Transmission <ul><li>Data is sent at pre-defined intervals or regular intervals. </li></ul><ul><li>Deal with timing of transmission. </li></ul><ul><li>Two or more processes can be performed at the same time by means of a mutual timed signals. </li></ul>
  58. 61. ASYNCHRONOUS TRANSMISSION
  59. 62. Asynchronous Transmission <ul><li>Mode of transmission in which data being sent has no pre-defined intervals or has irregular intervals. </li></ul><ul><li>It does not deal with timing. </li></ul><ul><li>This means that only one process can be performed at a time. </li></ul>
  60. 63. CLASS WORK
  61. 64. Class Work <ul><li>Working in groups of four (4) or less students. </li></ul><ul><li>Come out with four benefits you can get through the use of the internet. </li></ul><ul><li>Provide at-least 2 reasons for each. </li></ul>
  62. 65. HOMEWORK
  63. 66. Home Work <ul><li>In Your Own Words define the following terms: </li></ul><ul><ul><li>Internet </li></ul></ul><ul><ul><li>Web page </li></ul></ul><ul><ul><li>HTML </li></ul></ul><ul><ul><li>Asynchronous Transmission </li></ul></ul><ul><ul><li>FTP </li></ul></ul>
  64. 67. QUESTIONS
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