McqMate
| 1. |
Android is licensed under which open source licensing license? |
| A. | gnu’s gpl |
| B. | apache/mit |
| C. | oss |
| D. | sourceforge |
| Answer» B. apache/mit | |
| 2. |
Although most people’s first thought when they think of Android is Google, Android is not actually owned by Google. Who owns the Android platform? |
| A. | oracle technology |
| B. | dalvik |
| C. | open handset alliance |
| D. | the above statement is and android is owned by google |
| Answer» C. open handset alliance | |
| 3. |
As an Android programmer, what version of Android should you use as your minimum development target? |
| A. | versions 1.6 or 2.0 |
| B. | versions 1.0 or 1.1 |
| C. | versions 1.2 or 1.3 |
| D. | versions 2.3 or 3.0 |
| Answer» A. versions 1.6 or 2.0 | |
| 4. |
What was Google’s main business motivation for supporting Android? |
| A. | to level the playing field for mobile devices |
| B. | to directly compete with the iphone |
| C. | to corner the mobile device application market for licensing purposes |
| D. | to allow them to advertise more |
| Answer» D. to allow them to advertise more | |
| 5. |
What was the first phone released that ran the Android OS? |
| A. | google gphone |
| B. | t-mobile g1 |
| C. | motorola droid |
| D. | htc hero |
| Answer» B. t-mobile g1 | |
| 6. |
From a phone manufacturer’s point of view, what makes Android so great? |
| A. | aside from some specific drivers, it provides everything to make a phone work |
| B. | it makes the hardware work better |
| C. | it allows them to compete with apple’s iphone |
| D. | it allows users to create apps, generating revenue for the companies |
| Answer» A. aside from some specific drivers, it provides everything to make a phone work | |
| 7. |
What is a funny fact about the start of Android? |
| A. | it was orginaly going to be called ufo |
| B. | the first version of android was released without an actual phone on the market |
| C. | androids main purpose was to unlock your car door when you left the keys inside of it. |
| D. | was going to be a closed source application to make more money for its company. |
| Answer» B. the first version of android was released without an actual phone on the market | |
| 8. |
What year was the Open Handset Alliance announced? |
| A. | 2005 |
| B. | 2006 |
| C. | 2007 |
| D. | 2008 |
| Answer» C. 2007 | |
| 9. |
A device with Android installed is needed to develop apps for Android. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 10. |
Android tries hard to ______________ low-level components, such as the software stack, with interfaces so that vendor-specific code can be managed easily. |
| A. | confound |
| B. | absract |
| C. | modularize |
| D. | compound |
| Answer» B. absract | |
| 11. |
Google licensed some proprietary apps. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 12. |
When did Google purchase Android? |
| A. | 2007 |
| B. | 2005 |
| C. | 2008 |
| D. | 2010 |
| Answer» B. 2005 | |
| 13. |
Android releases since 1.5 have been given nicknames derived how? |
| A. | adjective and strange animal |
| B. | food |
| C. | something that starts w/ ‘a’ -> something that starts w/ ‘b’… |
| D. | american states |
| Answer» B. food | |
| 14. |
Which one is not a nickname of a version of Andriod? |
| A. | cupcake |
| B. | gingerbread |
| C. | honeycomb |
| D. | muffin |
| Answer» D. muffin | |
| 15. |
Android doesn’t make any assumptions about a device’s screen size, resolution, or chipset.: |
| A. | true |
| B. | false |
| Answer» A. true | |
| 16. |
Why are the so few users left with versions 1.0 and 1.1? |
| A. | the first phones were released with version 1.5 |
| B. | 1.0 and 1.1 had security holes that forced carriers to recall phones using them |
| C. | 1.0 and 1.1 are just number designations for the version apple’s iphone is running |
| D. | everyone with 1.0 and 1.1 were upgraded to 1.5 over the air automatically |
| Answer» D. everyone with 1.0 and 1.1 were upgraded to 1.5 over the air automatically | |
| 17. |
Which Android version had the greatest share of the market as of January 2011? |
| A. | 1.1 |
| B. | 1.5 |
| C. | 2.3 |
| D. | 3.4 |
| Answer» B. 1.5 | |
| 18. |
Which piece of code used in Android is not open source? |
| A. | keypad driver |
| B. | wifi? driver |
| C. | audio driver |
| D. | power management |
| Answer» B. wifi? driver | |
| 19. |
Android is built upon the Java Micro Edition (J2ME) version of Java. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 20. |
Which among these are NOT a part of Android’s native libraries? |
| A. | webkit |
| B. | dalvik |
| C. | opengl |
| D. | sqlite |
| Answer» B. dalvik | |
| 21. |
Android is based on Linux for the following reason. |
| A. | security |
| B. | portability |
| C. | networking |
| D. | all of these |
| Answer» D. all of these | |
| 22. |
What operating system is used as the base of the Android stack? |
| A. | linux |
| B. | windows |
| C. | java |
| D. | xml |
| Answer» A. linux | |
| 23. |
What year was development on the Dalvik virtual machine started? |
| A. | 2003 |
| B. | 2005 |
| C. | 2007 |
| D. | 2006 |
| Answer» B. 2005 | |
| 24. |
What is a key difference with the distribution of apps for Android based devices than other mobile device platform applications? |
| A. | applications are distributed by apple app store only |
| B. | applications are distributed by multiple vendors with different policies on applications. |
| C. | applications are distributed by multiple vendors with the exact same policies on applications. |
| D. | applications are distributed by the android market only. |
| Answer» B. applications are distributed by multiple vendors with different policies on applications. | |
| 25. |
When developing for the Android OS, Java byte code is compiled into what? |
| A. | java source code |
| B. | dalvik application code |
| C. | dalvik byte code |
| D. | c source code |
| Answer» C. dalvik byte code | |
| 26. |
What does the .apk extension stand for? |
| A. | application package |
| B. | application program kit |
| C. | android proprietary kit |
| D. | android package |
| Answer» A. application package | |
| 27. |
When you distribute your application commercially,you’ll want to sign it with your own key. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 28. |
How does Google check for malicious software in the Android Market? |
| A. | every new app is scanned by a virus scanner |
| B. | users report malicious software to google |
| C. | google employees verify each new app |
| D. | a seperate company monitors the android market for google |
| Answer» B. users report malicious software to google | |
| 29. |
Which of these are not one of the three main components of the APK? |
| A. | dalvik executable |
| B. | resources |
| C. | native libraries |
| D. | webkit |
| Answer» D. webkit | |
| 30. |
What is the name of the program that converts Java byte code into Dalvik byte code? |
| A. | android interpretive compiler (aic) |
| B. | dalvik converter |
| C. | dex compiler |
| D. | mobile interpretive compiler (mic) |
| Answer» C. dex compiler | |
| 31. |
What was the main reason for replacing the Java VM with the Dalvik VM when the project began? |
| A. | there was not enough memory capability |
| B. | java virtual machine was not free |
| C. | java vm was too complicated to configure |
| D. | java vm ran too slow |
| Answer» B. java virtual machine was not free | |
| 32. |
Android Applications must be signed. |
| A. | after they are installed |
| B. | before they are installed |
| C. | never |
| D. | within two weeks of installation |
| Answer» B. before they are installed | |
| 33. |
Which of the following are not a component of an APK file? |
| A. | resources |
| B. | all of these are components of the apk |
| C. | native libraries |
| D. | dalvik executable |
| Answer» B. all of these are components of the apk | |
| 34. |
The AWT and Swing libraries have been removed from the Android library set. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 35. |
The R.java file is where you edit the resources for your project. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 36. |
What is contained within the manifest xml file? |
| A. | the permissions the app requires |
| B. | the list of strings used in the app |
| C. | the source code |
| D. | all other choices |
| Answer» A. the permissions the app requires | |
| 37. |
What is contained within the Layout xml file? |
| A. | orientations and layouts that specify what the display looks like. |
| B. | the permissions required by the app. |
| C. | the strings used in the app. |
| D. | the code which is compiled to run the app. |
| Answer» A. orientations and layouts that specify what the display looks like. | |
| 38. |
The emulated device for android. |
| A. | runs the same code base as the actual device, all the way down to the machine layer. |
| B. | is more of a simulator, and acts as a virtual machine for the android device. |
| C. | runs the same code base as the actual device, however at a higher level. |
| D. | an imaginary machine built on the hopes and dreams of baby elephants. |
| Answer» A. runs the same code base as the actual device, all the way down to the machine layer. | |
| 39. |
Your Java source code is what is directly run on the Android device. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 40. |
The Emulator is identical to running a real phone EXCEPT when emulating/simulating what? |
| A. | telephony |
| B. | applications |
| C. | sensors |
| D. | the emulator can emulate/simulate all aspects of a smart phone. |
| Answer» C. sensors | |
| 41. |
How is a simulator different from an emulator? |
| A. | emulators are only used to play old snes games, simulators are used for software development |
| B. | the emulator is shipped with the android sdk and third party simulators are not |
| C. | the emulator can virtualize sensors and other hardware features, while the simulator cannot |
| D. | the emulator imitates the machine executing the binary code, rather than simulating the behavior of the code at a higher level. |
| Answer» D. the emulator imitates the machine executing the binary code, rather than simulating the behavior of the code at a higher level. | |
| 42. |
The R file is a(an) generated file |
| A. | automatically |
| B. | manually |
| C. | emulated |
| D. | none of the above |
| Answer» A. automatically | |
| 43. |
An activity can be thought of as corresponding to what? |
| A. | a java project |
| B. | a java class |
| C. | a method call |
| D. | an object field |
| Answer» B. a java class | |
| 44. |
To create an emulator, you need an AVD. What does it stand for? |
| A. | android virtual display |
| B. | android virtual device |
| C. | active virtual device |
| D. | application virtual display |
| Answer» B. android virtual device | |
| 45. |
The Android SDK ships with an emulator. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 46. |
The ___________ file specifies the layout of your screen. |
| A. | layout file |
| B. | manifest file |
| C. | strings xml |
| D. | r file |
| Answer» A. layout file | |
| 47. |
The manifest explains what the application consists of and glues everything together. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 48. |
The Android Software Development Kit (SDK) is all you need to develop applications for Android. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 49. |
What is the driving force behind an Android application and that ultimately gets converted into a Dalvik executable? |
| A. | java source code. |
| B. | r-file. |
| C. | the emulator. |
| D. | the sdk |
| Answer» A. java source code. | |
| 50. |
While developing Android applications, developers can test their apps on… |
| A. | emulator included in android sdk |
| B. | physical android phone |
| C. | third-party emulators (youwave, etc.) |
| D. | all three options will work. |
| Answer» D. all three options will work. | |
| 51. |
What file is responsible for glueing everthing together , explaining what the applicatin consists of, what its main building blocks are, ext…? |
| A. | layout file |
| B. | strings xml |
| C. | r file |
| D. | manifest file |
| Answer» D. manifest file | |
| 52. |
The XML file that contains all the text that your application uses. |
| A. | stack.xml |
| B. | text.xml |
| C. | strings.xml |
| D. | string.java |
| Answer» C. strings.xml | |
| 53. |
Which of the following is the most “resource hungry” part of dealing with Activities on Android |
| A. | closing an app |
| B. | suspending an app |
| C. | opening a new app |
| D. | restoring the most recent app |
| Answer» C. opening a new app | |
| 54. |
What runs in the background and doesn’t have any UI components? |
| A. | intents |
| B. | content providers |
| C. | services |
| D. | applications |
| Answer» C. services | |
| 55. |
What is an Activity? |
| A. | a single screen the user sees on the device at one time |
| B. | a message sent among the major building blocks |
| C. | a component that runs in the background without any interface. |
| D. | context referring to the application environment. |
| Answer» A. a single screen the user sees on the device at one time | |
| 56. |
When an activity doesn’t exist in memory it is in. |
| A. | starting state |
| B. | running state |
| C. | loading state |
| D. | inexistent state. |
| Answer» A. starting state | |
| 57. |
Which of the following is NOT a state in the lifecycle of a service? |
| A. | starting |
| B. | running |
| C. | destroyed |
| D. | paused |
| Answer» D. paused | |
| 58. |
There is no guarantee that an activity will be stopped prior to being destroyed. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 59. |
Intents |
| A. | are messages that are sent among major building blocks |
| B. | trigger activities to being, services to start or stop, or broadcast |
| C. | are asynchronous |
| D. | all of these |
| Answer» D. all of these | |
| 60. |
In an explicit intent, the sender specifies the type of receiver. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 61. |
an implicit intent is the sender specifies the type of receiver? |
| A. | true |
| B. | false |
| Answer» A. true | |
| 62. |
When the activity is not in focus, but still visible on the screen it is in? |
| A. | running state |
| B. | paused state |
| C. | stopped state |
| D. | destroyed state |
| Answer» B. paused state | |
| 63. |
An activity in a stopped state is doing nothing. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 64. |
Application contexts are independent of the activity life cycle. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 65. |
Services have any user interface components |
| A. | true |
| B. | false |
| Answer» B. false | |
| 66. |
Broadcast receivers are Android’s implementation of a system-wide publish/subscribe mechanism, or more precisely, what design pattern? |
| A. | observer |
| B. | facade |
| C. | mediator |
| D. | command |
| Answer» A. observer | |
| 67. |
There can be only one running activity at a given time. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 68. |
YAMBA stands for Yet Another Mobile Banking App. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 69. |
Lists and adapters are more organizational aids than user interface elements in Android. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 70. |
What built-in database is Android shipped with? |
| A. | sqlite |
| B. | apache |
| C. | mysql |
| D. | oracle |
| Answer» A. sqlite | |
| 71. |
Creating a UI (User Interface) in Android requires careful use of… |
| A. | java and sql |
| B. | xml and java |
| C. | xml and c++ |
| D. | dreamweaver |
| Answer» B. xml and java | |
| 72. |
A good example app should demonstrate most of the aspects of the application framework that are unique to Android. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 73. |
What will services be used for in the Yamba project? |
| A. | recompile the source code |
| B. | it will update tweets periodically in the background |
| C. | the services will pause the app |
| D. | configures the user interface |
| Answer» B. it will update tweets periodically in the background | |
| 74. |
Which answer is not part of the design philosophy talked about in chapter five? |
| A. | always whole and complete |
| B. | small increments |
| C. | lagre increments |
| D. | refactoring code |
| Answer» C. lagre increments | |
| 75. |
App Widgets are can be place on the home screen by the user to check for updates are available? |
| A. | true |
| B. | false |
| Answer» A. true | |
| 76. |
The android OS comes with many useful system services, which include processes you can easily ask for things such as your.. |
| A. | all of these and more. |
| B. | location |
| C. | sensor readings |
| D. | wifi? hot spots |
| Answer» A. all of these and more. | |
| 77. |
What does the Gargenta mean in his Design Philosophy when he says that the project will, “Always be whole and complete”? |
| A. | he means that when we finish the entire project we will have a working application, even though there will be points along the way when we will stop and the application will not run. |
| B. | he means that the program must always be able to compile. |
| C. | he means that we will work on the program by adding self contained chunks to it so that at every stopping point the application runs as though it were a whole and complete application. each additional chunk simply adds a new functionality to the application. |
| D. | none of the above |
| Answer» C. he means that we will work on the program by adding self contained chunks to it so that at every stopping point the application runs as though it were a whole and complete application. each additional chunk simply adds a new functionality to the application. | |
| 78. |
An Android application is a loose collection of content providers, activities, broadcast receivers, and services. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 79. |
Which of the following is NOT an activity we will be creating for the YAMBA project? |
| A. | preferences activity |
| B. | update activity |
| C. | timeline activity |
| D. | status activity |
| Answer» B. update activity | |
| 80. |
The timeline receiver will receive messages from the Android system. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 81. |
Status data will be exposed to the rest of the Android system via: |
| A. | intents |
| B. | a content provider |
| C. | network receivers |
| D. | altering permissions |
| Answer» B. a content provider | |
| 82. |
If the UI begins to behave sluggishly or crash while making network calls, this is likely due to… |
| A. | network latency |
| B. | hardware malfunctions |
| C. | virus on the server |
| D. | activity manager contains too much. |
| Answer» A. network latency | |
| 83. |
How does Gargenta approach the problem of the app acting sluggishly due to network latency? |
| A. | starting over |
| B. | switching api levels |
| C. | refactoring code |
| D. | multithreading |
| Answer» D. multithreading | |
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