Mobile Operating System

Question 1

Apple iOS

Answer 1

• Apple iOS
  
  • Apple iPhone , iPad OS
  • Linux based
  • Closed source - no access to source code
  • Exclusive to apple products
• iOS Apps
  
  • Apps are developed with iOS SDK on Mac OS X
  • Apps must be approved by Apple before release
  • Apps available via AppStore

Question 2

Google Android

Answer 2

• Google Android
  
  • Open Handset Alliance
  • Open-source OS , based on Linux
  • Supported on many devices

Android Apps

 - Apps are developed on Windows / Mac / Linux
 - Apps available via GooglePlay or third-party

Question 3

Windows Mobile

Answer 3

• Windows Phone
  
  • Microsoft Operating System
  • Closed-Sourced
  • Based on Windows NT Kernel
• Windows Mobile apps
  
  • The Windows Store
  • Curated by Windows exclusively
  • Side-loading is supported
  • Side-loading also available in Windows 8

Question 4

Device Displays & Technologies

Answer 4

• Calibration
  
  • Older resistive touchscreen required calibration
  • Modern capacitive touchscreen do not
• Accelerometer
  
  • Mobile sensor
  • Detection and orientation
• Gyroscope
  
  • Detects pitch , roll & side-to-side motion

-Gyroscope & Accelerometer = Multi-axis motion sensing

Question 5

Global Positioning System

GPS

Answer 5

• Created by the US Department of Defense
  
  • Over 30 satellites in orbit currently
• Precise navigation
  
  • Need to “see” 4 satellites
• Determine location based on timing difference
  
  • Longitude , latitude , altitude
• Mobile device location service & geotracking
  
  • Maps , directions , physical location

Question 6

Wifi Calling

Answer 6

• Make a phone calls over a Wifi connection
  
  • Voice over IP technology
  • Integrated into the phone OS

-Carrier must support this feature

Question 7

Virtual Assistant

Answer 7

-Talk to your phone

• iOS
  
  • Hold down home button or say “Hey Siri”
• Android
  
  • Hold down home button or say “Ok Google”
• Windows
  
  • Hold down search button or say “Hey Cortana”

Question 8

Production & Development Models

Answer 8

• iOS
  
  • Apps are developed on Mac OS X with iOS SDK , Xcode
• Android
  
  • Apps are developed on windows / Mac OS X / Linux with Android SDK , Android Studio
  • Applications are distributed in the android application package APK format

-Windows mobile apps are developed on Windows 8 /8.1 Visual Studios

Question 9

Wireless Emergency Alerts

Answer 9

• United States alerting system
  
  • Alerts from the President
  • Imminent threats to danger (weather)
  • Amber alert

-Similar to a text

• Works across all mobile Operating Systems
  
  • May need latest software update

Question 10

Mobile Payment Service

Answer 10

• Pay for goods & services
• SMS based transactional payments
• Direct Mobile Billing
  
  • Charging your mobile account

-Mobile web payment (WAP)

• Near Field Communication
  
  • ApplePay , SamsungPay