Virtual Memory Explained! O Level & IGCSE Computer Science | P1 | Lecture 18
Автор: CS with Fahad Khan
Загружено: 2026-03-16
Просмотров: 3
Описание:
In this lecture, I explain Virtual Memory for O Level and IGCSE Computer Science in a clear, exam-focused way.
Virtual memory is an important concept that allows a computer to use part of secondary storage as extra RAM when the main memory becomes full. In exams, students are often tested on how virtual memory works, why it is used, and its advantages and disadvantages.
This lecture is ideal for students preparing for:
📘 O Level Computer Science (Cambridge 2210) – Paper 1 & 2
📗 IGCSE Computer Science (0478 / 0984) – Paper 1 & 2
🔍 What you’ll learn in this lecture:
✔ What virtual memory is and why it is needed
✔ How virtual memory works in a computer system
✔ The relationship between RAM and secondary storage
✔ Advantages and disadvantages of virtual memory
✔ When virtual memory is used in real computer systems
✔ Exam-style explanations and common mistakes students make
This lecture will help you clearly understand how computers manage memory when RAM is not enough, making Paper 1 & Paper 2 questions easier to solve.
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