Introduction of Android - questions and answers

Introduction of Android - questions and answers

Q.1 What is the use of versionCode attribute in AndroidManifest.xml file?

A) It is used to define the current application version.
B) It is used to define the current application name.
C) It is used to define the public version that will be displayed to users.
D) None of the above.

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Q.2 Android is open source true or false?

A) True
B) False

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Q.3 What is used by android for relational data storage?

A) Tomcat
B) SQL
C) SQLiteDatabase
D) None of the above.

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Q.4 What is true about an Android Virtual Device (AVD)?

A) An AVD is an emulator instance that enables you to model an actual device.
B) You can create more than one AVDs in order to test your applications with several different configurations.
C) You cannot create more than one AVDs.
D) Option A and B are correct.

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Q.5 In which file, permissions are set in Android?

A) Src
B) AndroidManifest.xml
C) Bin
D) None of the above.

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Q.6 In which file, all string constant should be stored in android?

A) AndroidManifest.xml
B) Bin
C) strings.xml
D) None of the above.

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Q.7 Which virtual machine is used by Android to run application?

A) JVM
B) Dalvik VM
C) AVD
D) None of the above.

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Q.8 What is the full form of DDMS?

A) Dalvik Debug Monitoring Service
B) Dalvik Design Monitoring Service
C) Direct Debug Monitoring Service
D) None of the above.

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Q.9 Choose the correct option regarding activity in android.

A) Activity is a class.
B) When you create an android application your activity (class) is, by default inherited from Activity class.
C) Option A and B are correct.
D) None of the above.

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Q.10 In Android, visual components are called.

A) Views
B) Components
C) DLL
D) None of the above.

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Q.11 Which tool is used to monitor and control the Emulators on which you are debugging your applications.

A) Android Asset Packaging Tool (AAPT)
B) Dx
C) DDMS
D) None of the above.

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