Electronic Data Processing

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Presentation transcript:

Electronic Data Processing Chapter 2 Electronic Data Processing Computer Studies Today Chapter 2

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

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

Rearrange the letters. Computer Studies Today Chapter 2

Meaningful words are revealed. Computer Studies Today Chapter 2

» 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

Characteristics of Data Processing » Have to handle a large amount of data » Have to produce accurate results » Have to provide high speed processing Computer Studies Today Chapter 2

» Have to handle tedious work, e.g. routine calculation searching sorting Computer Studies Today Chapter 2

Types of Data Processing » Electronic data processing (EDP) » Manual data processing » Mechanical data processing Computer Studies Today Chapter 2

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