Laptops and Mobile Devices

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Vocabulary lab

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SODIMM: A SODIMM is a compact memory module commonly used in laptops and small systems. Example: A laptop memory upgrade uses DDR5 SODIMMs instead of desktop DIMMs. Do not confuse it with: Do not confuse SODIMM with DIMM; the form factors are different.
lithium-ion battery: A lithium-ion battery stores electrical energy for portable devices and requires safe handling when damaged or swollen. Example: A technician stops using a laptop with a visibly swollen battery. Do not confuse it with: Do not confuse a worn battery with a power adapter failure; each requires different evidence.
digitizer: A digitizer converts touch or pen input on a screen into electronic coordinates. Example: A tablet detects where a stylus touches the display surface. Do not confuse it with: Do not confuse the digitizer with the LCD/OLED panel that produces the image.
docking station: A docking station expands a portable computer with additional ports, displays, networking, or power. Example: A laptop connects to monitors, Ethernet, and power through one desk dock. Do not confuse it with: Do not confuse a dock with a simple adapter; docks often provide several interfaces at once.
USB-C: USB-C is a reversible connector form factor that can carry different combinations of USB data, power, and alternate modes. Example: A laptop charges over USB-C while also connecting to a display adapter. Do not confuse it with: Do not assume every USB-C port supports the same speed, charging, or video features.
Thunderbolt: Thunderbolt is a high-speed interface that can carry data, display, and device connectivity over compatible ports. Example: A Thunderbolt dock drives multiple displays and fast external storage. Do not confuse it with: Do not confuse Thunderbolt capability with the USB-C connector shape; not every USB-C port supports Thunderbolt.
MDM: Mobile device management is centralized administration of mobile-device settings, apps, security, and policy. Example: A school pushes Wi-Fi settings and passcode requirements to managed tablets. Do not confuse it with: Do not confuse MDM with a user manually changing settings on one device.
tethering: Tethering shares one device's network connection with another device by cable, Bluetooth, or Wi-Fi. Example: A laptop uses a phone's cellular connection during a network outage. Do not confuse it with: Do not confuse tethering with ordinary Wi-Fi client access; the mobile device is sharing its connection.
hotspot: A mobile hotspot provides Wi-Fi access to a shared cellular data connection. Example: A phone creates a temporary Wi-Fi network for a laptop. Do not confuse it with: Do not confuse hotspot mode with joining an existing wireless access point.
synchronization: Synchronization keeps selected data consistent between devices or services. Example: Contacts and calendar changes appear on both a phone and laptop after cloud sync. Do not confuse it with: Do not confuse synchronization with backup; synchronized deletions can propagate.

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