1. Electronic Data Processing
Chapter 2
Electronic Data Processing
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2. 2.1 Data Processing » The process of converting data into information.
Data  Processing  Information
Computer Studies Today Chapter 2

3. Meaningless! Suppose there are a number of letters on a notice board.
Computer Studies Today Chapter 2

4. Rearrange the letters.
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5. Meaningful words are revealed.
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6. » Information is the processed data which is meaningful and useful.
Data Vs Information
» Data consists of all sorts of facts in the form of figures, numbers, letters or words.
» Information is the processed data which is meaningful and useful.
Computer Studies Today Chapter 2

7. Characteristics of Data Processing
» Have to handle a large amount of data
» Have to produce accurate results
» Have to provide high speed processing
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8. » Have to handle tedious work, e.g.
routine calculation
searching
sorting
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9. Types of Data Processing
» Electronic data processing (EDP)
» Manual data processing
» Mechanical data processing
Computer Studies Today Chapter 2