introduction of ict


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introduction of ict

  1. 1. Introduction of ICT
  2. 2. <ul><li>WHAT IS ICT? </li></ul><ul><li>ICT is the technology required for information processing. </li></ul><ul><li>In particular, the use of electronic computers, communication devices and software application to convert,store, protect, process, transmit and retrieve information from anywhere and anytime. </li></ul>
  3. 3. INFORMATION <ul><li>Information refers to the knowledge obtained from reading, investigation, study or research. </li></ul><ul><li>We need information to make decision and to predict the future. </li></ul><ul><li>For example, scientist can detect the formation of a tsunami using the latest technology and warn the public to avoid disasters in the affected areas. </li></ul><ul><li>The tools to transmit information are the telephone, television and radio. </li></ul><ul><li>Information is knowledge and helps us to fulfil our daily tasks. For example, forecasting the stock exchange market. </li></ul>
  4. 4. COMMUNICATION <ul><li>Communication is an act of transmitting messages. It is a process whereby information is exchanged between individuals using symbols, signs or verbal interaction. </li></ul><ul><li>Previously, people communicate through sign or symbols, performing drama and poetry. With the advent of technology, these `older' forms of communicate are less utilized as compared to the use of the Internet, email or video conferencing. </li></ul><ul><li>Communication is important in order to gain knowledge. With knowledge, we are more confident in expressing our thoughts and ideas. </li></ul>
  5. 5. TECHNOLOGY <ul><li>Aiding Communication. telephone and fax machines are the devices used in extending communication. Spreading Information </li></ul><ul><li>to broadcast information such as news or weather reports effectively. Radio, television, satellites and the World Wide Web (WWW) are powerful tools that can be used. </li></ul>
  6. 6. A History of Information Technology and Systems <ul><li>Four basic periods Characterized by a principal technology used to solve the input, processing, output and communication problems of the time: </li></ul><ul><ul><li>Premechanical, </li></ul></ul><ul><ul><li>Mechanical, </li></ul></ul><ul><ul><li>Electromechanical, and </li></ul></ul><ul><ul><li>Electronic </li></ul></ul>
  7. 7. <ul><li>TIMELINE OF TECHNOLOGY </li></ul><ul><li>- 3500 BC, the Sumerians developed cuneiform writing </li></ul><ul><li>- 1500 BC, the Phoenicians developed the alphabet. </li></ul><ul><li>- 105 BC, Tsai Lun of China invented paper </li></ul><ul><li>- 1454, the first printing began with the creation of a printing machine. </li></ul><ul><li>- 1793, the telegraph line was invented. </li></ul><ul><li>- 1876, the first telephone was introduced. </li></ul><ul><li>- 1925, television was made known to public. </li></ul><ul><li>- 1941, the computer was created. </li></ul><ul><li>- 1958, the photocopier machine was introduced. </li></ul><ul><li>- 1963, the communication satellite was introduced </li></ul><ul><li>- 1969, the first internet known as ARPANET was introduced. </li></ul>
  8. 8. TASK 2 <ul><li>Discuss in group about: </li></ul><ul><li>1.) First generation of computer </li></ul><ul><li>2.) Second generation of computer </li></ul><ul><li>3.) Third generation of computer </li></ul><ul><li>4.) Fourth generation of computer </li></ul><ul><li>5.) Fifth generation of computer </li></ul>