Quiz on Android

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1. Android is?

A. Android is a stack of software applications for mobile devices

B. Android is Virtual machine

C. Android is Google mobile device name

D. All of the above

View Answer
A. Android is a stack of software applications for mobile devices

2. When Google purchase Android?

A. 2010

B. 2008

C. 2005

D. 2007

View Answer
C. 2005 KBC

3. What part of the Android platform is open source?

A. Application Frame Work

B. Native Libraries

C. Low-level Linux modules

D. All of these answers #The entire stack is an open source platform

View Answer
D. All of these answers #The entire stack is an open source platform

4. Which one is not a nickname of a version of Android?

A. Gingerbread

B. Muffin

C. Cupcake

D. Honeycomb

View Answer
B. Muffin

5. Android is based on Linux for which reason?

A. Networking

B. Portability

C. Security

D. All of these

View Answer
D. All of these

6. What operating system is used as base of the Android Stack?

A. Java

B. Linux

C. Windows

D. XML

View Answer
B. Linux

7. .Apk extension stands for?

A. Application Package

B. Application Program Kit

C. Android Proprietary Kit

D. Android Package

View Answer
A. Application Package

8. Which programming language Is used For Android app Development?

A. Java

B. JSX

C. PHP

D. NodeJs

View Answer
A. Java

9. Android Application must be signed _____.

A. Within two weeks of installation

B. Never

C. After they are installed

D. Before they are installed

View Answer
D. Before they are installed

10. What was the first phone released that ran the Android OS?

A. HTC Hero

B. Google gPhone

C. Motorola Droid

D. T-Mobile G1

View Answer
D. T-Mobile G1

11. Android is licensed under which open source licensing license?

A. OSS

B. Gnu’s GPL

C. Source-forge

D. Apache/MIT

View Answer
D. Apache/MIT

12. Recent android new version name is?

A. Pie

B. Marshmallow

C. Lolipop

D. Jelly Bean

View Answer
A. Pie

13. Android Is Based On Which Kernal?

A. Linux

B. Windows

C. Mac

D. Redhat

View Answer
A. Linux

14. Which code use by Android is not a open source?

A. Video Driver

B. WiFi Driver

C. Device Driver

D. Bluetooth Driver

View Answer
B. WiFi Driver

15. How many levels of securities are in Android?

A. Android Level Security

B. App and Kernel Level Security

C. Java Level Security

D. None of The Above

View Answer
B. App and Kernel Level Security

16. What Is “JNI” in Android?

A. Image Editable Tool

B. Java Network Interface

C. Java Native Interface

D. Java Interface

View Answer
C. Java Native Interface

17. Android is developed by which company?

A. Google

B. Apple

C. Microsoft

D. Android Inc

View Answer
D. Android Inc

18. In which directory XML layout files are stored?

A. /assets

B. /res/layout

C. /res/values

D. /src

View Answer
B. /res/layout

19. What is the JSON exception in android?

A. Input not found exception

B. JSon Exception

C. Json Not found exception

D. All of the above

View Answer
B. JSon Exception

20. What are the functionalities of Binder services in android?

A. Binder is responsible for marshalling and un-marshalling of the data

B. Binder is responsible to manage the thread while using aidl in android

C. Binder is a kind of interface

D.  A & B

View Answer
D.  A & B

Question 21: When contentProvider would be activated?

(A) using Intent

(B) using SQLite

(C) using ContentResolver

(D) none of the above

View Answer
(C) using ContentResolver

Question 22: Parent class of Activity?

(A) object

(B) context

(C) activityGroup

(D) contextThemeWrapper

View Answer
(D) contextThemeWrapper

Question 23: Once installed on a device, each Android application exists in __________?

(A) device memory

(B) external memory

(C) security sandbox

(D) none of the above

View Answer
(C) security sandbox

Question 24: What are the Direct subclasses of Activity?

(A) ListActivity

(B) ActivityGroup

(C) FragmentActivity

(D) All the above

View Answer
(D) All the above

Question 25: Which is the screen densities in Android?

(A) low density

(B) medium density

(C) extra high density

(D) all of the above

View Answer
(D) all of the above

Question 26: You can shut down an activity by calling its ___________ method.

(A) onDestory()

(B) finishActivity()

(C) finish()

(D) none of the above

View Answer
(C) finish()

Question 27: Which one is ANR in android?

(A) Dialog box

(B) Application Not Responding

(C) Android Not Responding

(D) None

View Answer
(B) Application Not Responding

Question 28: Which of the following is Layouts in android?

(A) Frame Layout

(B) Linear Layout

(C) Relative Layout

(D) All of the above

View Answer
(D) All of the above

Question 29: How many ways to start services?

(A) started

(B) bound

(C) both a & b

(D) messenger

View Answer
(C) both a & b

Question 30: What is/are the JSON elements in android?

(A) integer, boolean

(B) boolean

(C) null

(D) Number, string, boolean, null, array and object

View Answer
(D) Number, string, boolean, null, array and object