Скачать или смотреть IGCSE Computer Science - The Scenario-based Question - 15 Marks February / March 2025/22

0:00 Introduction
0:32 Important points
2:18 Explanation
9:15 Requirement analysis
10:15 Solution
📘 February/March 2025 Paper 22 | Scenario-Based Question Walkthrough

Hey everyone, Rahim Shahi here! 👋 I hope you're all doing well and enjoying your learning journey. In this video, I walk you through a detailed solution to a scenario-based question from the Feb/March 2025 IGCSE Paper 22—the one many of you were eagerly waiting for!

We explore how to approach this question step-by-step and break down:

Assessment Objective 2: How to score up to 9 marks by using correct selection statements, data structures, validation, and more.
Assessment Objective 3: How to get 5–6 marks by writing clean, logical, and well-commented code.
Programming Requirements: Creating a menu-driven program using a 1D and 2D array to store member IDs and names, validating inputs, checking for unique membership codes, and displaying the member list.

I explain how to:
✅ Display and validate menu choices
✅ Input a 6-character alphanumeric code and ensure uniqueness using *linear search*
✅ Store first and last names in corresponding 2D arrays
✅ Output all stored member details
✅ Use proper pseudo code, validation techniques, and required variable names

This walkthrough is perfect if you're aiming to *score high* and need clarity on how to structure your answers. Whether you're a student revising or a teacher guiding others, this video will help reinforce key exam techniques.

🎥 In this video, I walk you through how to manage and store member details efficiently using arrays. We’ve added an important enhancement—each member now has a unique ID stored in a memberID array, where the index holds the corresponding ID. This key addition ensures our data stays well-organized and avoids duplication.

💡 What’s covered:

How to add new member information
Storing details across multiple arrays (ID, first name, last name, etc.)
Using checks to prevent duplicate entries
Displaying all member data with a simple loop
Understanding how menu choices control input, output, and exit

I also demonstrate how to use a loop to keep the program running until the user chooses to exit (choice = 3). Everything is kept straightforward and practical, so you can easily adapt this for your own projects or exams.

✅ Don't forget to include this critical line in your solution:
memberID\[index] = newID

🙏 Thanks for being part of the learning journey! If you found this helpful, please like, share, and subscribe to support the channel—and share it with friends and classmates who might benefit too.

📘 Wishing you all the best in your studies—may you succeed in every step ahead!

👉 Make sure to like, share, and subscribe if you find this helpful!

Any questions so far? 😊
comment below your queries.

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