Supporting and Troubleshooting Mobile Devices Flashcards
Give a description of mobile devices
Smartphones and tablets used in the workplace need support, too.
Mobile OSs (iOS, Android, or Windows Mobile).
Store-based software ecosystems.
Give a full description of Smartphones
One-handed operation
Touchscreen displays
Screen sizes range from 4.5” to 5.7”
Multicore CPUs
2 to 6 GB system memory
16 GB+ flash memory storage
Features:
Digital cameras
Input sensors
Networking via Wi-Fi or cellular data
Give a full description of the Tablets
Usually 7” or 10” screen
Might be able to connect to a removable
physical keyboard
Some laptops can also function as a tablet by
flipping the screen
Usually, connected to a Wi-Fi network; some have
cellular option
Phablets—a cross between a phone and a
tablet with a 5.5” to 7” screen
What are the processors of mobile devices and laptop
Mobile devices:
CPUs and chipsets are based on ARM microarchitecture.
Dual- and quad-core CPUs are common, with some 64-bit CPUs available.
Provide more power and thermal efficiency.
PCs and laptops:
CPUs and chipsets are based on CISC and RISC microarchitecture.
Dual- and quad-core CPUs are widespread, with many 64-bit CPUs available.
What is the system memory of mobile devices and laptop
Tablet RAM is a low-power DDR SDRAM variant.
Works similarly to PC/laptop RAM.
What are the component replacements and upgrades
of mobile devices and laptops?
More FRUs for PCs and laptops.
Tablet components are soldered and glued, making it necessary to replace the entire device.
What is the storage of mobile devices and laptops?
SSDs used in mobile devices instead of HDDs.
What are the OSs of mobile devices and laptops?
More OS options for PCs and laptops.
Mobile devices are limited to the mobile OS they were designed to run.
Give a definition of Touchscreen
Touchscreen: A display screen combined with a digitizer that is responsive to touch input.
Give all the properties of a touchscreen
Capacitive touchscreens support multitouch (sweep, pinch, etc.).
Haptic feedback provides a more realistic feel to the user.
Protected by scratch- and shock-resistant tempered glass.
Screen orientation is changeable.
What are the mobile device form factors
Fewer field serviceable parts than PCs and laptops.
Return to manufacturer for replacing screens, storage devices, and possibly batteries.
Some batteries can be replaced by the user.
Some devices will have a SIM card port.
What is an e-reader
e-reader: A tablet-sized device designed for reading, rather than for general-purpose computing.
Give all the properties of an e-reader
E-ink technology creates EPD.
Low-power, high-contrast display.
Backlights are often not needed, saving power.
USB chargers.
Wi-Fi connectivity for downloading e-books.
Give all wearable technology
Smartwatches
Fitness monitors
VR/AR headsets and smart glasses
Definition of GPS
Global Positioning System (GPS): This means of determining a receiver’s position on the Earth based on information received from GPS satellites. The receiver must have line-of-sight to the GPS satellites.
