History of Computers (From Past to Present)

 

📌 Introduction

Computers did not appear suddenly. They evolved over time.

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🧠 Core Concept

Generations:

1. First Generation – Vacuum tubes
2. Second Generation – Transistors
3. Third Generation – Integrated Circuits
4. Fourth Generation – Microprocessors
5. Fifth Generation – AI & Modern Computing

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💡 Example

Old computers = large and slow
Modern computers = small and fast

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🔧 Practical Use

Understanding history helps you:

• Know technology evolution
• Understand modern systems

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📝 Mini Task

Search and list one computer from each generation.

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📚 Summary

Computers evolved from large machines to powerful modern devices.

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➡️ Next Lesson

What is a Computer?