Deck 16: Android Operating Systems

Question 1

In the action overflow section of an Android action bar,users can find tasks that are not often needed.

Answer 1

True

Question 2

Facial recognition is currently recognized as one of the strongest access control tools offered by Android.

Answer 2

False

Question 3

There are several states that an Android activity goes through from creation to destruction.The Interrupted State is a stop for an activity that is interrupted and ready to go into a "background" mode.

Answer 3

False

Question 4

Android offers encrypted storage options for higher security.

Question 5

Management of the power supply is a key consideration for any operating system running on a mobile device.Using Wi-Fi instead of telephony can save power.

Question 6

Android is not as open as Linux,but is much more open than the operating system that runs Apple's mobile products.

Question 7

Android divides screen sizes into five size categories.

Question 8

In a recent survey of Android apps,more than 50 percent of the examined apps requested permissions that appeared to be outside of their operational requirements.

Question 9

Android app activities in a Stopped State disappear from the user's view but may be recalled at some point.

Question 10

All devices running the Android operating system use a touch screen for a user interface.

Question 11

An alternative to password protection is Android's pattern recognition tool.

Question 12

All Android apps must support screen rotation.

Question 13

According to Android's suggested user interface standards,repeatedly pressing the app icon on an app's action bar will eventually move the device to its home screen.

Question 14

The Android operating system relies on Linux to perform some of the most fundamental tasks,including management of processors,device drivers,and network access.

Question 15

To obtain new releases of the Android source code,you must register as a developer and pay an annual fee.

Question 16

The only two states from which an app can be terminated are Stopped and Destroyed.

Question 17

Android users may need supplementary apps to perform the hands-on file manipulation one might expect from a robust operating system.

Question 18

Apps for the Android operating system are programmed in Objective-C.

Question 19

Mobile devices are typically built with a limited amount of main memory and a relatively slow CPU.Therefore Android apps are explicitly designed to require no resources when they are dormant.

Question 20

Google purchased Android in 2011.

Question 21

There are several states that an Android activity goes through from creation to destruction.The ____ state is a transient state when the activity has just begun.

A) Paused
B) Begin
C) Ready
D) Created

Question 22

The ____ gesture on a touch screen rearranges data from one place to another within the view,or moves data into a folder or another container.

A) long press
B) swipe
C) double touch
D) drag

Question 23

Whenever a new Android activity begins,it replaces the activity that was previously called.The replaced activity's state is moved to a data structure called the ____ stack.

A) activity
B) back
C) app
D) state

Question 24

Each app must have one ____ file that holds essential information that the operating system must have before it can run an application.

A) app log
B) manifest
C) directory
D) process

Question 25

Battery usage information for an Android device is available from the ____ tab.

A) Android OS
B) Info
C) Settings
D) Application Manager

Question 26

The advent of mobile systems run by Android and other operating systems opens a wide range of new system management and security concerns for systems administrators,including the ____ paradigm in which an organization's members connect their personal devices directly to a secured network.

A) "personal work devices"
B) "bring your own devices"
C) "enhanced personal devices"
D) "work anywhere"

Question 27

The ____ state is a formal indication that an activity is terminated and will be removed completely from system memory.

A) Destroyed
B) Stopped
C) Terminated
D) Removed

Question 28

A screen configuration with a size of 960dp x 720dp falls into which of Android's screen size categories?

A) Small screens
B) Large Screens
C) Extra-Large Screens
D) Normal Screens

Question 29

Memory management in the Android operating system is handled by the ____.

A) Application Framework
B) Android Libraries
C) Linux Kernel
D) Activity Manager

Question 30

What is one of the goals of the Android system as stated on the Android Web site for developers?

A) Enchant Me
B) Enhance Me
C) Astound Me
D) Magnify Me

Question 31

When a user is immersed in a static endeavor,such as reading or watching a movie,Android allows the on-screen buttons to temporarily disappear; this is called ____ mode.

A) lights-out
B) tv
C) dark
D) screen

Question 32

The Android operating system was first developed by ____.

A) Steve Jobs
B) Ken Thompson
C) Linus Torvalds
D) Andy Rubin

Question 33

If memory space becomes scarce in an Android device,a ____ acts to free up memory by removing the processes that have remained dormant the longest.

A) low memory cleaner
B) process killer
C) low memory killer
D) process scrubber

Question 34

A(n)____ is defined in Android as a "sequence of activities a user follows to accomplish a goal."

A) activity
B) intent
C) task
D) process

Question 35

The part of an Android action bar that shows the most important actions that users will want to access when using an app is the set of ____.

A) view controls
B) action overflow buttons
C) app icons
D) action buttons

Question 36

One of the user interface element standards encouraged by Android is to place a(n)____ along the top of each app screen that generally stays in place while that app is active.

A) info bar
B) action bar
C) menu bar
D) back button

Question 37

Android is designed to run ____.

A) desktop computers
B) telephones
C) mobile devices
D) laptop computers

Question 38

A(n)____ in Android is the mechanism that one app uses to signal another app that its cooperation is requested to accomplish something.

A) intent
B) activity
C) request
D) synch

Question 39

On an Android device,user can send commands to the operating system using a touch screen.The standard graphical user interface recognizes ____ primary gestures.

A) three
B) five
C) seven
D) nine

Question 40

To aid Android app developers,who must account for multiple screen sizes and resolutions,Android has introduced the ____,which is equivalent to one physical pixel on a 160 dpi screen.

A) screen-independent pixel
B) multi-pixel
C) density-independent pixel
D) fixed pixel