introduction of ict
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  • 1. Introduction of ICT
  • 2.
    • WHAT IS ICT?
    • ICT is the technology required for information processing.
    • 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.
  • 3. INFORMATION
    • Information refers to the knowledge obtained from reading, investigation, study or research.
    • We need information to make decision and to predict the future.
    • 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.
    • The tools to transmit information are the telephone, television and radio.
    • Information is knowledge and helps us to fulfil our daily tasks. For example, forecasting the stock exchange market.
  • 4. COMMUNICATION
    • Communication is an act of transmitting messages. It is a process whereby information is exchanged between individuals using symbols, signs or verbal interaction.
    • 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.
    • Communication is important in order to gain knowledge. With knowledge, we are more confident in expressing our thoughts and ideas.
  • 5. TECHNOLOGY
    • Aiding Communication. telephone and fax machines are the devices used in extending communication. Spreading Information
    • 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.
  • 6. A History of Information Technology and Systems
    • Four basic periods Characterized by a principal technology used to solve the input, processing, output and communication problems of the time:
      • Premechanical,
      • Mechanical,
      • Electromechanical, and
      • Electronic
  • 7.
    • TIMELINE OF TECHNOLOGY
    • - 3500 BC, the Sumerians developed cuneiform writing
    • - 1500 BC, the Phoenicians developed the alphabet.
    • - 105 BC, Tsai Lun of China invented paper
    • - 1454, the first printing began with the creation of a printing machine.
    • - 1793, the telegraph line was invented.
    • - 1876, the first telephone was introduced.
    • - 1925, television was made known to public.
    • - 1941, the computer was created.
    • - 1958, the photocopier machine was introduced.
    • - 1963, the communication satellite was introduced
    • - 1969, the first internet known as ARPANET was introduced.
  • 8. TASK 2
    • Discuss in group about:
    • 1.) First generation of computer
    • 2.) Second generation of computer
    • 3.) Third generation of computer
    • 4.) Fourth generation of computer
    • 5.) Fifth generation of computer