Neco 2019 Data Processing Question 4

Practice essay / theory question 4 from the 2019 Neco Data Processing examination. This question covers Types of Files and File Organization .

Neco 2019 Data Processing Essay / Theory

Topic: Types of Files and File Organization

Question 4 NECO • 2019 • DATA_PROCESSING • essay

A school database needs to store the following information for each student: Admission number (numeric, 6 digits), Full name, Date of birth, Class, and a list of subjects with the corresponding scores obtained in the current term.

Question Parts

( a )

Distinguish between a text file and a binary file. Provide one example of each that could be used in the school context.

( b )

Considering the need to retrieve a particular student's record quickly by admission number, recommend the most suitable file organization method (Sequential, Indexed, or Direct) and justify your choice.

( c )

Explain two advantages and two disadvantages of using the Indexed Sequential Access Method (ISAM) for this student database.

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About This Question

This is Neco 2019 Data Processing Question 4. It is one of the essay questions from the 2019 Neco Data Processing examination.

The question covers Types of Files and File Organization .

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