Define Cloud Computing

Define Cloud Computing

In this lesson, you’ll learn what cloud computing is, including its core characteristics and how it differs from traditional on-premises IT models.


☁️ What is Cloud Computing?

  • Cloud Computing: The delivery of computing services—servers, storage, databases, networking, software, analytics, and more—over the internet (“the cloud”).
  • On-Demand Access: Users can access services anytime without needing to manage physical infrastructure.
  • Pay-As-You-Go: You only pay for the resources you use, making it cost-effective and scalable.

📌 Key Characteristics

  • Scalability: Easily scale resources up or down as needed.
  • Elasticity: Automatically adjust resources to match demand.
  • High Availability: Services are available globally with minimal downtime.
  • Global Reach: Services can be delivered from data centers around the world.

🏢 Traditional vs. Cloud

  • Traditional IT: Requires purchasing and maintaining physical servers and infrastructure.
  • Cloud Computing: Offers flexibility, cost savings, and access to advanced technologies without upfront capital costs.

💡 Summary

  • Cloud computing delivers IT services over the internet.
  • It provides on-demand access, scalability, and cost-efficiency.
  • It differs significantly from traditional on-premises IT models.

✅ Next Lesson

Lesson 1.2: Describe the benefits of cloud computing

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