Neco 2022 Data Processing Question 4

Practice essay / theory question 4 from the 2022 Neco Data Processing examination. This question covers Types of Files and File Organization .

Neco 2022 Data Processing Essay / Theory

Topic: Types of Files and File Organization

Question 4 NECO • 2022 • DATA_PROCESSING • essay

A secondary school maintains a computerised library system that stores both student records and the inventory of books. The system must allow rapid retrieval of a student's borrowing history using the admission number and must also support periodic backups.

Question Parts

( a )

Differentiate between text files, binary files and database files, giving one advantage and one disadvantage of each in the context of the library system.

( b )

Explain the difference between sequential access and random (direct) access. Which method would you recommend for retrieving a student's borrowing history and why?

( c )

Suggest an appropriate file organization technique for the student records file that supports fast retrieval by admission number, and discuss one potential drawback of the technique.

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About This Question

This is Neco 2022 Data Processing Question 4. It is one of the essay questions from the 2022 Neco Data Processing examination.

The question covers Types of Files and File Organization .

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