Mobile Devices (U5)

This set of flashcards covers key vocabulary and concepts related to mobile devices and peripherals, including terminology relevant to accessories, connectivity options, and device management.

Airplane Mode

A setting that disables some or all wireless features on a mobile device.

Port Replicator

A device connected to a laptop that provides additional ports for external devices.

Docking Station

An advanced port replicator that allows additional functionalities, such as connecting external displays. Often Proprietary.

Mobile Hotspot

A feature that allows a mobile device to act as a wireless access point for other devices.

Digitizer

A device that converts analog signals, such as handwritten notes or drawings, into digital data that can be processed by a computer.

Firmware Update

A software update that provides new features or fixes issues for the mobile device’s operating system.

IR (Infrared)

A wireless communication technology that uses infrared light to transmit data over short distances, commonly used for remote controls and data transfer between devices.

SO-DIMM

Small Outline Dual In-line Memory Module form factor used for laptop and small system RAM.

Bluetooth

Short-range 2.4 GHz wireless Personal Area Network (PAN) connecting headsets, speakers, and peripherals.

Bring Your Own Device

Deployment model where employees use personal mobile devices for work under MDM partitioning.

Corporate Owned Personally Enabled

Deployment model where the enterprise purchases and owns the mobile device but permits personal usage.

Data Cap

Monthly cellular bandwidth restriction set by wireless carriers that reduces data speeds or triggers overage charges.

Digitizer

Touchscreen glass layer converting finger or stylus physical touches into digital input signals.

Drawing Pad

External digitizer board using an active pressure-sensitive stylus for high-precision graphic design.

eSIM

Software-embedded SIM permanently built into mobile motherboard chips for instant carrier provisioning.

Global Positioning System

Satellite-based navigation system using timing signals from at least 4 satellites to calculate location.

Inverter

Power component in older LCD laptops converting DC power to AC for CCFL backlights.

Lightning

Proprietary 8-pin reversible digital connector used on legacy Apple iOS mobile devices.

Liquid Contact Indicator

Internal sticker or patch that changes from white to pink/red when exposed to moisture or liquid damage.

Location Services

Mobile OS features combining GPS, Wi-Fi networks, and cellular towers to determine precise device location.

Mobile Device Management

Centralized enterprise software platform for deploying corporate profiles, app restrictions, and security policies.

Mobile Hotspot

Feature converting a smartphone into an 802.11 Wi-Fi router to share cellular data with multiple wireless clients.

Near-Field Communication

Ultra-short-range wireless technology (within 4 cm) used for contactless payments and identity tokens.

SIM Card

Physical Subscriber Identity Module card storing mobile carrier data, phone number, and user keys.

Swollen Battery

Hazardous physical battery failure where trapped gas inflates lithium-ion cells, warping the phone or lifting the screen.

Tethering

Sharing a mobile phone's cellular data connection directly with a laptop or client device via USB or Bluetooth.