G.C.E O/L Information and Communication Technology 1 - New Syllabus

Tutorial 01: Information and Communication Technology

In this chapter student can learn about;

• Different between data and information
• What is a system means
• What are the systems we come across in out daily routing
• Characteristic of quality information
• Information and communication technology
• Applications of information and communication technology
• Evaluation of the computer

1.1 Data and Information 

Most students believe that the term data and information have similar meaning. However, there is a totally different meaning between the two words. Data can be any character, text, words, numbers, pictures, sounds or videos which is not form the setting of a context. Information is useful and usually formatted in a manner that allows it to be understand by a human. People can use information to get decision by arranging and processing data. 

Computers typically read data and it can turn data into information that human can understand.  Thus, computer needs data to give information. When we submit data into computer for processing is called 'Input' and the result we get after processing is called 'Output'. We can identify collection of these kind of a process as a system. Hence, the major purpose of  a system is to receive data, process and store them and provide results when we required it.

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