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CompTIA A+ 220-1101 - Coggle Diagram
CompTIA A+ 220-1101
Chapter 1: Mobile Devices
→ Types of Mobile Devices
• Smartphones
• Tablets
• Smartwatches
• E-readers
• GPS Devices
→ Laptop Hardware and Components
• Replaceable vs. Non-replaceable Components
• Hard Drives (2.5" SATA, M.2, NVMe)
• Memory (SODIMM, RAM slots)
• CPUs (Mobile CPUs often soldered)
• Battery Types (Lithium-ion, Lithium-polymer)
→ Display Types and Features
• LCD vs OLED
• Refresh Rate
• Resolution
• Touchscreen Functionality
• Inverter (for CCFL Backlights)
→ Mobile Device Connectors
• Micro-USB, Mini-USB
• USB-C
• Lightning (Apple)
• Audio Jack (TRRS)
• Dock Connectors (older Apple)
→ Mobile Accessories
• Headsets
• Credit Card Readers
• Gamepads
• Docking Stations & Port Replicators
• External USB Devices
→ Mobile Device Configuration
• Email Setup (POP3, IMAP, SMTP)
• Synchronization (Cloud, Local)
• VPN Setup
• Corporate Settings (MDM Profiles)
→ Mobile Network Connectivity
• Cellular (2G, 3G, LTE, 5G)
• Wi-Fi Standards (802.11a/b/g/n/ac/ax)
• Bluetooth Pairing
• Hotspot & Tethering
🧠 Mnemonics & Study Tips
• USB Types: "Mini was early, Micro was common, C is current"
• Tethering vs. Hotspot: Tethering = one device; Hotspot = many
• Inverter: Only used in LCDs with CCFL — not needed for LED/OLED