Neco 2022 Data Processing Question 3

Practice essay / theory question 3 from the 2022 Neco Data Processing examination. This question covers Data Processing Cycle .

Neco 2022 Data Processing Essay / Theory

Topic: Data Processing Cycle

Question 3 NECO • 2022 • DATA_PROCESSING • essay

A small retail shop uses a computer system to record daily sales transactions. The system follows the Data Processing Cycle (DPC).

Question Parts

( a )

Describe each of the six stages of the Data Processing Cycle as applied to the shop's sales recording, giving a concrete example of an activity performed at that stage.

( b )

Identify two possible sources of error that could arise during the Input and Validation stages, and suggest one control measure for each to minimise the error.

( c )

Explain why the Feedback stage is essential for maintaining data quality, and illustrate with an example how feedback can lead to improvement in the system.

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About This Question

This is Neco 2022 Data Processing Question 3. It is one of the essay questions from the 2022 Neco Data Processing examination.

The question covers Data Processing Cycle .

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