Reference no: EM132265250

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

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

3.  Google purchased Android in 2011.

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

5.  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.

6.  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.

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

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

9.  Android divides screen sizes into five size categories.

10.  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.

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

12.  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.

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

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

15.  Android offers encrypted storage options for higher security.

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

17.  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.

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

Multiple Choice

Identify the choice that best completes the statement or answers the question.

19.  Android is designed to run ____.

a. desktop computers

c. mobile devices

b. telephones

d. laptop computers

20.  The Android operating system was first developed by ____.

a. Steve Jobs

c. Linus Torvalds

b. Ken Thompson

d. Andy Rubin

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

a. Enchant Me

c. Astound Me

b. Enhance Me

d.Magnify Me

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

a. Application Framework

c. Linux Kernel

b. Android Libraries

d. Activity Manager

23.  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

c. low memory killer

b. process killer

d. process scrubber

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

c. directory

b. manifest

d. process

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

a. activity

c. task

b. intent

d. process

26.  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

c. request

b. activity

d. synch

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

a. Destroyed

c. Terminated

b. Stopped

d. Removed

28.  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

c. app

b. back

d. state

29.  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

c. density-independent pixel

b. multi-pixel

d. fixed pixel

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

a. Small screens

c. Extra-Large Screens

b. Large Screens

d. Normal Screens

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

a. Android OS

c. Settings

b. Info

d. Application Manager

32.  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"

c. "enhanced personal devices"

b. "bring your own devices"

d. "work anywhere"

33.  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

c. seven

b. five

d. nine

34.  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

c. dark

b. tv

d. screen

35.  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

c. menu bar

b. action bar

d. back button

36.  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

c. app icons

b. action overflow buttons

d. action buttons