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Android Online Quiz


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Following quiz provides Multiple Choice Questions (MCQs) related to Android. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Answer : A

Explanation

Android is a stack of software applications for mobile devices, which includes an operating system, middleware applications, and some key applications. It executes within own process and own instance of Dalvik Virtual Machine. DVM executes byte code and later transforms into .dex format files.

Answer : C

Explanation

X-large screens are having at least 960dp*720dp resolutions

Large screens are having at least 640dp*480dp resolutions

Normal screens are having at least 470dp*320dp resolutions

Small screens are having at least 426dp*320dp resolutions

Answer : D

Explanation

Using putExtra() method, we can send the data. While using it, we need to call setResult() method in services. We can also store data in a common database and access it on services as well as in Activity.

Answer : A

Explanation

CPU will be in sleeping mode and it does not take any commands except radio interface layer and alarm from mobile.

Answer : A

Explanation

There is only an object which can be accessed by all other class.

Q 6 - How many ports are allocated for new emulator?

A - 2

B - 0

C - 10

D - None of the above.

Answer : A

Every emulator or device is allocated by 2 ports based on port availability.

Q 7 - In which technique, we can refresh the dynamic content in android?

A - Java

B - Ajax

C - Android

D - None of the Above

Answer : B

Using with Ajax technology, we can refresh the dynamic data in web pages.

Answer : A

Each application runs securely in sandbox without interrupting another process. If an application is running in a sandbox, outside application can't touch sandbox application

Q 9 - Is it possible activity without UI in android?

A - No, it's not possible

B - Yes,it's possible

C - We can't say

D - None of the above

Answer : B

Without UI, we can call an activity, It will do some background functionalities.

Answer : C

Synchronization without internet in which we can take the application data without internet.

android_questions_answers.htm
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