Neco 2023 Data Processing Question 4

Practice essay / theory question 4 from the 2023 Neco Data Processing examination. This question covers Types of Files, File Organization .

Neco 2023 Data Processing Essay / Theory

Topics: Types of Files File Organization

Question 4 NECO • 2023 • DATA_PROCESSING • essay

A secondary school maintains an electronic record of its students. Each student record contains: admission number (8 characters), name (30 characters), date of birth (10 characters), and three subject scores (each stored as an integer).

Question Parts

( a )

Classify the file that stores these student records as a text file or a binary file, giving a clear justification for your choice.

( b )

Compare sequential file organization and random (direct) file organization with respect to access speed, storage efficiency and suitability for the school’s needs.

( c )

The school wants to be able to retrieve any student’s record quickly by admission number and also generate a list of all students ordered by total score. Recommend a suitable file organization method (or combination) and explain how it would support both operations.

( d )

Estimate the minimum storage space required for the file if 1,200 students are enrolled, assuming 1 byte per character and 4 bytes per integer, and ignoring any file‑system overhead. Show your calculations.

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About This Question

This is Neco 2023 Data Processing Question 4. It is one of the essay questions from the 2023 Neco Data Processing examination.

The question covers Types of Files, File Organization .

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