Lesson 11 - Chapter 2: Mobile Operating Systems Flashcards
Most mobile devices run what 3 OS?
- Apple iOS
- Apple iPadOS
- Google Android
What does closed source mean?
the practice of making and selling a product without telling anyone how you made it
What does proprietary or vendor-specific mean?
highlights something in a closed-source product that isn’t common
Does proprietary or vendor-specific mean the same as closed-source?
No, and they’re not interchangeable.
Proprietary or vendor-specific means a product may not work with other products, have cables that are hard to find, not be user-friendly, and be difficult to repair.
What is open source?
when the maker releases the instructions for making it
(not always software but usually is)
What OS did older iPads use?
iOS same as apple phones (newer iPads run iPadOS)
What OS does the Apple iWatch run?
watchOS
What’s the difference between iOS and iPadOS?
Minor differences, iPadOS is better for multitasking and has better handwriting recognition support
Besides Apple’s App Store, where else are Apple apps deployed from?
from providers of line-of-business apps specific to an organization (deployed only to devices under the organization’s private control)
[still subject to Apple’s licensing approval process]
What is Android?
an open-source OS owned by Google based on Linux
What role in the Android OS does Google and other vendors have?
Google = writes the core Android code versions named after desserts/candy
Vendors = customize the released Android versions to add unique hardware features and looks
What is the difference between open source and public domain?
open source = available to the public for free, but owned by someone
public domain = the original owner of the software has relinquished ownership rights permanently
Where are Android apps available to purchase and download?
Various app stores like Google Play, Amazon Appstore
What’s the difference between iOS and Android in terms of standards and policies?
Apple has a tighter grasp on the development of apps and has stricter policies for third-party developers
Android is more lenient with third-party developers and makes it easier to install arbitrary (random) applications downloaded from a website
What does GUI stand for? What is it?
Graphical User Interface
you interact with the OS by accessing icons on the screen
Do mobile OSs have a command-line interface?
No, not current ones
What are launchers? Where are they found?
programs on Android that enable users to customize their Android devices extensively
(different manufacturers make different launches, icon size, animations, gestures, more)
What are virtual assistants?
enable quick vocal interactions to accomplish tasks
What emergency features do smartphones have?
nearly all have an emergency notification feature to receive national emergency broadcasts (Emergency Alert System (EAS) in the US)
How does the most recent 911 system (Enhanced 911 [E911]) triangulate the location of a phone?
it uses GPS and cellular networks to triangulate the phone by its distance from cell towers, its transmission delay time, and more
What is mobile payment service?
using an app that’s connected to your bank account to automatically transfer funds to the merchant
(this is used in NFC when placing the phone near the pad to authorize the payment)
