Neco 2021 Data Processing Question 3

Practice essay / theory question 3 from the 2021 Neco Data Processing examination. This question covers Data Processing Cycle, Computer Science .

Neco 2021 Data Processing Essay / Theory
Topics: Data Processing Cycle Computer Science
Question 3 NECO • 2021 • DATA_PROCESSING • essay

A school ICT project requires the collection, entry, processing and presentation of survey data. The project follows the standard Data Processing Cycle.

Question Parts

( a )
List the four main stages of the Data Processing Cycle and give a brief description of each.
( b )
When the student uses a spreadsheet formula to calculate the average score of the survey, which stage of the cycle is being performed? Explain why this stage is critical to the overall process.
( c )
The estimated times for each stage of the project are: Input – 12 minutes, Processing – 8 minutes, Output – 5 minutes, Storage – 3 minutes. Compute the total time taken from the start of input to the completion of storage. Show your working.
( d )
Suggest two practical measures that could reduce the total processing time by at least 20 % without compromising data integrity. For each measure, estimate the new time for the affected stage and recalculate the total time to demonstrate that the required reduction is achieved.

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About This Question

This is Neco 2021 Data Processing Question 3. It is one of the essay questions from the 2021 Neco Data Processing examination.

The question covers Data Processing Cycle, Computer Science .

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