LESSON 1
INTRODUCTION TO INFORMATION AND COMMUNICATION TECHNOLOGY (ICT)
EVOLUTION OF COMMUNICATION
Communication has improved evolved facilitate our daily activities.In the 21st century,everything related to communication utilizes technology to `send out’ or be disseminate information to a wider audience.Information can `sent out’ in many ways.The inventions of cellular phones,televisyen other electronics devices are important in enhancing communication.
WHAT IS ICT?
ICT is the technology required for information processing ,in particular,the use of electronic computers,communication devices and software applications to convert,store,protect,process,transmit and retrieve information anywhere,anytime.
INFORMATION
Information refers to the knowledge obtained from reading,investigation,study research.
The tools to transmits information are telephone,television,radio.
We need information to makedecisions and to predict the future.For example,scientists can detect the formation of a tsunami using the latest technology and warn the public to avoid the disasters in the affected areas.
Information is knowledge and help us to fulfill our daily tasks.For example,forecasting the stock exchange market.
COMMUNICATION
Communication is an act of transmitting messages.It is a process whereby information is exchange between individuals using symbols,sign or verbal interactions.Previously,people communicated through or symbols,performing drama and poetry.With the advent the technology these older forms of communication are less ultilised as compared to the use of the Internet,e-mail or video confecering.
Communication is important in order to gain knowledge,we are more confident in expressing our thoughts and ideas.
TECHNOLOGY
Technology is the use of scientific knowledge,exprience and resources to create processes and products that fulfill human needs.Technology is vital in communication.
Aiding Communication
Telephone and fax machines are the used in extending communication.
Spreading Information
To broadcast information such as news or weather report effectively.Radio,television,satelittes and the World Wide Web (www) are powerful tools that can be used.
TECHNOLOGY TIMELINE
In 3500 BC,the Sumerians developed cuneiform writing.
In 1500 BC,the Phoenicians developed the alphabet.
In 105 BC,Tsai Lun of China invented paper.
In 1454,the first printing began with the creation of a printingmachine.
In 1793,the telegraph line was invented.
In 1876,the first telephone was introduced.
In 1925,television was made known to puclic.
In 1941,the computer was created.
In 1958,the photocopier machine was introduced.
In 1963,the communication satellite was introduced.
In 1969,the first Internet as ARPANET was introduced.
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