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Chapter 6 — Chapter 6 — Emerging Technologies
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📘Easy summary
Emerging technologies are new or developing technologies expected to change how we live and work — cloud computing, blockchain, AI, IoT, edge computing. Cloud computing delivers computing services (storage, servers, databases, software) over the internet on a pay-as-you-go basis. Key concepts: virtualization (creating virtual versions of hardware, so one physical server runs many virtual machines); scalability (ability to increase resources to handle growth) and elasticity (automatically adding or removing resources as demand rises and falls); on-demand access (users get resources whenever needed, self-service, without human interaction with the provider).
⭐Key points
- Cloud = services over the internet.
- Virtualization: many VMs on one server.
- Elasticity automatic; on-demand self-service.
🔬Diagram
🌿Real-life example
An online shop gets extra servers automatically during an Eid sale (elasticity).
💡Exam tip
- Elasticity = automatic up and down scaling.
✅Quick check
1. Running many virtual machines on one server:
2. Getting resources whenever needed:
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