Electronic Data Processing

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DATA PROCESSING SYSTEMS

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Presentation transcript:

Electronic Data Processing

Data Processing Process Data Information Maths Test English Test 75 80 Report Card Rank :18 Chinese Test 50

Data Processing the process of converting data (itself is meaningless data) into useful information. It is done manually.

Electronic Data Processing Process(With an electronic device) Information Maths Test 75 English Test 80 Report Card Rank :18 Chinese Test 50

Teacher marks the exam papers and records the marks on score sheets. Input(Data): Scores The marks are then entered into the computer and rank the marks by the computer. Process: ranking Report cards are printed. Output(Information): Report Cards.

Data Storage Process Information DATA Data Storage

Output As Input Process 1 Information DATA Process 2 Information

Charactertistic of data processing task Accuracy data should be maintained. S High Speed processing is required. V High Volume of records are handled. R Routine and repetitious tasks. T Works are tedious.

How computers can help Accuracy Computer produce accurate results. Speed Computer operate at high speed. Computer can produce the same Result if same data and instruction are provided each time. Consistency Storage Capacity Computer store large volume of data. It is easy to retrieve data from computer. Automation By following a series of instructions, computer can complete the process without human intervention.

How computers can help?

Process rank the students based on the marks. find the highest mark. find the lowest mark. find the average mark. find number of students failed in the tests

Data is a collection of facts represented in the form of numbers, letters or words.

Information The processed data organized in a meaningful way which are useful to people to receive them.