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# DATA PROCESSING CYCLE

DATA PROCESSING CYCLE

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### DATA PROCESSING CYCLE

1. 1. Q. Define Input. Answer: Input is a method of getting instructions and data into computer from the user.
2. 2. Q. Define Processing Answer: The processing stage is where raw data is transformed into meaningful information to be understood by users.
3. 3. Q. Define Output Answer: Output is a method of producing outgoing information from computer to the user.
4. 4. Q. What is data? Answer: Any type of knowledge when it is in unprocessed form is called data.
5. 5. Today we will learn DATA PROCESSING CYCLE
6. 6. DATA PROCESSING
7. 7. INPUT STAGE • Data collection • Data capture • Encode data • Data transmission • Data communication
8. 8. Q. What they are doing? Answer: They are entering data into a computer.
9. 9. Q. Why do we need to input data? Answer: We need data to get information after processing it.
10. 10. Q. What is data collection? Answer: Data collection is a stage of gathering data from the environment and preparing it for input.
11. 11. Q. What is source document? Answer: The paper or document on which data is recorded when it is collected is called a source document.
12. 12. Q. What is data capture? Answer: Data capture is the stage of entering the collected data into data processing system such as computer or calculator.
13. 13. Q. What does encoding mean? Answer: Encoding means converting data into a form that is easier to input into a data processing system.
14. 14. Q. What is data transmission? Answer: Data transmission is the stage of sending input data to the processor and carrying it across its various components.
15. 15. Q. What is data communication? Answer: Data communication is the set of activities that allow data to be sent from one data-processing system to another.
16. 16. PROCESSING STAGE • Performing user instructions • Transform raw data to information
17. 17. Q. Why central processing unit is used? Answer: Central processing unit is used to process data according to given instructions.
18. 18. Q. Why software is used? Answer: Software is used to give instructions to process data.
19. 19. OUTPUT STAGE • Information presented to user • Decode data
20. 20. Q. What is decoding? Answer: Decoding means converting encoded data into a form that is easier to understand by people.
21. 21. STORAGE STAGE • Save information for future use
22. 22. Q. What is turnaround document? Answer: A document that contains the results of one processing activity, has more data added to it, and is used as input for another processing activity is called turnaround document.
23. 23. STAGES OF DATA PROCESSING CYCLE
24. 24. DATA PROCESSING CYCLE
25. 25. Home Work • Question 1 and 2 on Page 10 • Submission date
26. 26. • Today we learned data processing cycle. • In next lesson we will learn forms of processed data
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DATA PROCESSING CYCLE

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