Neco 2022 Data Processing Question 1

Practice essay / theory question 1 from the 2022 Neco Data Processing examination. This question covers Data processing cycle, Data types, Pseudocode .

Neco 2022 Data Processing Essay / Theory
Topics: Data processing cycle Data types Pseudocode
Question 1 NECO • 2022 • DATA_PROCESSING • essay

A small electronics shop records daily sales of three product categories: mobile phones, headphones and chargers. Each day's entry in the manual register contains the date (dd/mm/yyyy), the number of units sold for each category and the total revenue earned that day.

Question Parts

( a )
State the three main stages of the data processing cycle as they apply to the shop's record‑keeping system.
( b )
For each field in the register (date, mobile phones sold, headphones sold, chargers sold, total revenue) suggest the most appropriate data type (e.g. integer, real, string, date) and give a brief justification.
( c )
Write clear pseudocode that reads the daily records for a week (7 days) and computes (i) the total units sold for each product category over the week, and (ii) the average daily revenue. Assume the data are stored in a table named **Sales** with fields Date, Phones, Headphones, Chargers and Revenue.
( ) Pseudocode for total units sold for each category.
( ) Pseudocode for average daily revenue.

Detailed Solution & Marking Scheme

Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.

Reveal Answer

About This Question

This is Neco 2022 Data Processing Question 1. It is one of the essay questions from the 2022 Neco Data Processing examination.

The question covers Data processing cycle, Data types, Pseudocode .

View More Neco 2022 Data Processing Questions More Neco Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support