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80+ Android Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Science in Information Technology SY (BSc IT) , Bachelor of Science in Information Technology (BSc IT) .

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.

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