Topic: Mobile Devices, Batteries, Power Systems, Cloud Concepts & Virtualization (Core 1 Sections 12 & 14)**

Essential Question:

How do mobile devices function at the hardware level, and how do cloud and virtualization technologies extend their capabilities?

🎯 Learning Intention

I will explain how mobile devices manage power, cooling, storage, and connectivity, and how cloud services and virtualization support modern computing.

✅ Success Criteria

• I can identify common mobile components and repair constraints.
• I can explain battery chemistry, cycle counts, and failure symptoms.
• I can describe the differences between IaaS, PaaS, and SaaS.
• I can explain how virtualization works and where it’s used.
• I can apply common troubleshooting steps for mobile devices.

📚 Vocabulary (Students Copy)

Lithium-ion Battery — Rechargeable battery used in laptops/phones; degrades over time.

Cycle Count — Total number of charge cycles a battery has completed.

SoC (System on Chip) — CPU + GPU + memory + controllers built into a single chip.

eMMC Storage — Soldered flash storage used in Chromebooks/phones.

Wi-Fi Calling — Uses Wi-Fi to place voice calls when cellular is weak.

Virtualization — Running multiple operating systems on one physical machine.