Neco 2018 Computer Studies Question 5

Practice essay / theory question 5 from the 2018 Neco Computer Studies examination. This question covers Data Representation, Storage Devices, Cloud Computing, Data Management .

Neco 2018 Computer Studies Essay / Theory
Topics: Data Representation Storage Devices Cloud Computing Data Management
Question 5 NECO • 2018 • COMPUTER_STUDIES • essay

A secondary school is planning to digitise its student records and store them electronically. The project involves selecting appropriate storage media, estimating the amount of storage needed for image files, and deciding whether to use a cloud‑based service for backup.

Question Parts

( a )
Explain the difference between primary and secondary storage. Give two examples of each and discuss one advantage of primary storage and one advantage of secondary storage.
( b )
Each student photograph is a colour image of 1024 × 768 pixels with a 24‑bit colour depth. Calculate the total storage required in megabytes (MB) if the 1 200 photographs are stored uncompressed. Show all steps of your calculation. Then suggest one method that could be used to reduce the storage requirement and briefly explain how it works.
( c )
Identify two potential risks of using a cloud‑based storage service for the school photographs and propose one mitigation strategy for each risk.

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About This Question

This is Neco 2018 Computer Studies Question 5. It is one of the essay questions from the 2018 Neco Computer Studies examination.

The question covers Data Representation, Storage Devices, Cloud Computing, Data Management .

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