Friday, January 8, 2010

Form4 IR (2010) : Define ICT - notes

What is ICT ?
is the technology required for information processing, in particular, the use of electronic computers, communication devices and software applications to convert, store, protect, pricess, transmit and retrieve information from anywhere, anytime.

Information :
refers to the knowledge obtained from reading, investigation, study or research.
The tools to transmit information are the telephone, television and radio.
We need information to make decisions 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 disasters in the affected areas.
Information is knowledge and helps us to fulfill our daily tasks. For example, forecasting the stock exchange market.

Communication :
is an act or transmitting messages. It is a process whereby information is exchanged between individuals using symbols, signs or verbal interactions. Previously, people communicated through sign or symbols, performing drama and poetry. With the advent of technology, these 'older' forms of communication are less utilised as compared to the use of the Internet, e-mail or video conferencing.
Communication is important in order to gain knowledge. With knowledge, we are more confident in expressing our thoughts and ideas.

Technology :
is the use of scientific knowledge, experience and resources to create processes and products that fulfill human needs.
is vital in communication.

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.