Laptops and Other Mobile Devices

Flashcards for Chapter 7: Laptops and Other Mobile Devices

Laptop Motherboard vs. Desktop Motherboard

Laptop motherboards vary by manufacturer and are proprietary, while desktop motherboards have standard form factors.

CRU (Customer Replaceable Unit)

Customer Replaceable Unit; examples include the battery, RAM, and sometimes the keyboard.

Laptop

Can run on battery or plugged in; usually runs a full OS and can run desktop software; RAM and storage are upgradeable.

Tablet

Runs a Mobile OS; larger touch screens; runs apps downloadable from app store; has Wi-Fi and Bluetooth connectivity; some have cellular capability.

E-Reader

Special Purpose device with display optimized for reading text; may have Wi-Fi and Bluetooth connectivity; limited cellular data.

Smartwatch

A wearable device with a small touchscreen display; Runs a special OS and apps; Offers sensors that exchange data with a smartphone over Bluetooth; Often includes body monitoring and fitness tracking.

Fitness Tracker

Special Purpose wearable device that monitors heart function and physical activity; USB Connectivity and may include Bluetooth.

Smartphone

Uses a special mobile OS; Small screen sizes averaging 5"; Touch screens with no physical keyboard; Wi-Fi, Bluetooth, and Cellular data capability; Software apps are downloadable from app stores.

Liquid-crystal display (LCD)

Commonly uses Twisted Nematic (TN) or In-Plane switching (IPS).

Light-emitting diode (LED)

Uses less power and has a longer lifespan than LCD.

Organic light-emitting diode (OLED)

Used commonly for mobile devices and digital cameras.

Docking Station

Allows a laptop to function similarly to a desktop by utilizing extra ports and connectors.

Port Replicator

Connects via USB and commonly has fewer features and connectors than docking stations, designed for multi-vendor devices in the workplace.

Detachable screens

Some laptops permit the touchscreen to be used like a tablet when the display is detached.

Touch screens

Laptops with touchscreens have a special glass attached to the front of the screen known as a digitizer.

Cutoff switches

Helps conserve power by turning off the display.

Backlight

Shines through the screen and illuminates the display.

Inverter

Used to convert direct current (DC) to alternating current (AC).

Tethering

Connecting other devices to a cell phone via Wi-Fi, Bluetooth, or USB to use the phone’s cellular connection to access the internet.

Hotspot

When a cellular phone allows Wi-Fi devices to connect and use the mobile data network.

Data synchronized

Contacts, Applications, Email, Pictures, Music, Videos, Documents, Calendar, Bookmarks, Location data, Social media data, E-books, Passwords

Bluetooth pairing

Two Bluetooth devices establish a connection to share resources.

Bluetooth discoverable mode

Occurs when a Bluetooth device transmits device information which include device name, services that the device can use, Bluetooth class and device name.

Mobile device is unresponsive

RAM needs to be cleared of data. Solution is to soft reset the device.

Mobile device is unresponsive

Apps are consuming too many system resources. Solution is to close apps using force stop option on Android or double-tap home and swipe the app off the screen in iOS.