Olete.in – MCQs, Mock Tests & Government Job Prep | Android Studio Mobile Clouding Application Mcq

Android is licensed under which open source licensing license?

1. Gnu's GPL
2. Apache/MIT
3. OSS
4. Sourceforge

✅ Correct Answer: 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?

1. Oracle Technology
2. Dalvik
3. Open Handset Alliance
4. The above statement is and Android is owned by Google

✅ Correct Answer: 3

As an Android programmer, what version of Android should you use as your minimum development target?

1. Versions 1.6 or 2.0
2. Versions 1.0 or 1.1
3. Versions 1.2 or 1.3
4. Versions 2.3 or 3.0

✅ Correct Answer: 1

What was Google's main business motivation for supporting Android?

1. To level the playing field for mobile devices
2. To directly compete with the iPhone
3. To corner the mobile device application market for licensing purposes
4. To allow them to advertise more

✅ Correct Answer: 4

From a phone manufacturer's point of view, what makes Android so great?

1. Aside from some specific drivers, it provides everything to make a phone work
2. It makes the hardware work better
3. It allows them to compete with Apple's iPhone
4. It allows users to create apps, generating revenue for the companies

✅ Correct Answer: 1

What is a funny fact about the start of Android?

1. It was orginaly going to be called UFO
2. The first version of Android was released without an actual phone on the market
3. Androids main purpose was to unlock your car door when you left the keys inside of it.
4. Was going to be a closed source application to make more money for its company.

✅ Correct Answer: 2

A device with Android installed is needed to develop apps for Android.

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 2

Android tries hard to __________ low-level components, such as the software stack, with interfaces so that vendor-specific code can be managed easily.

1. confound
2. absract
3. modularize
4. compound

✅ Correct Answer: 2

Google licensed some proprietary apps.

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 1

What part of the Android platform is open source?

1. low-level Linux modules
2. all of these answers #The entire stack is an open source platform
3. native libraries
4. application frame work

✅ Correct Answer: 2

When did Google purchase Android?

1. 2007
2. 2005
3. 2008
4. 2010

✅ Correct Answer: 2

Android releases since 1.5 have been given nicknames derived how?

1. Adjective and strange animal
2. Food
3. Something that starts w/ 'A' -> Something that starts w/ 'B'...
4. American states

✅ Correct Answer: 2

Android doesn't make any assumptions about a device's screen size, resolution, or chipset.:

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 1

Why are the so few users left with versions 1.0 and 1.1?

1. The first phones were released with version 1.5
2. 1.0 and 1.1 had security holes that forced carriers to recall phones using them
3. 1.0 and 1.1 are just number designations for the version Apple's iPhone is running
4. Everyone with 1.0 and 1.1 were upgraded to 1.5 over the air automatically

✅ Correct Answer: 4

Which Android version had the greatest share of the market as of January 2011?

1. 1.1
2. 1.5
3. 2.3
4. 3.45 kJ

✅ Correct Answer: 2

Which piece of code used in Android is not open source?

1. Keypad driver
2. WiFi? driver
3. Audio driver
4. Power management

✅ Correct Answer: 2

Android is built upon the Java Micro Edition (J2ME) version of Java.

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 1

What operating system is used as the base of the Android stack?

1. Linux
2. Windows
3. Java
4. XML

✅ Correct Answer: 1

What year was development on the Dalvik virtual machine started?

1. 2003
2. 2005
3. 2007
4. 2006

✅ Correct Answer: 2

What is a key difference with the distribution of apps for Android based devices than other mobile device platform applications?

1. Applications are distributed by Apple App Store only
2. Applications are distributed by multiple vendors with different policies on applications.
3. Applications are distributed by multiple vendors with the exact same policies on applications.
4. Applications are distributed by the Android Market only.

✅ Correct Answer: 2

When developing for the Android OS, Java byte code is compiled into what?

1. Java source code
2. Dalvik application code
3. Dalvik byte code
4. C source code

✅ Correct Answer: 3

What does the .apk extension stand for?

1. Application Package
2. Application Program Kit
3. Android Proprietary Kit
4. Android Package

✅ Correct Answer: 1

When you distribute your application commercially,you'll want to sign it with your own key.

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 1

How does Google check for malicious software in the Android Market?

1. Every new app is scanned by a virus scanner
2. Users report malicious software to Google
3. Google employees verify each new app
4. A seperate company monitors the Android Market for Google

✅ Correct Answer: 2

Which of these are not one of the three main components of the APK?

1. Dalvik Executable
2. Resources
3. Native Libraries
4. Webkit

✅ Correct Answer: 4

What was the main reason for replacing the Java VM with the Dalvik VM when the project began?

1. There was not enough memory capability
2. Java virtual machine was not free
3. Java VM was too complicated to configure
4. Java VM ran too slow

✅ Correct Answer: 2

Android Applications must be signed.

1. After they are installed
2. Before they are installed
3. Never
4. Within two weeks of installation

✅ Correct Answer: 2

Which of the following are not a component of an APK file?

1. Resources
2. All of these are components of the APK
3. Native Libraries
4. Dalvik executable

✅ Correct Answer: 2

The AWT and Swing libraries have been removed from the Android library set.

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 1

The R.java file is where you edit the resources for your project.

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 2

What is contained within the manifest xml file?

1. The permissions the app requires
2. The list of strings used in the app
3. The source code
4. All other choices

✅ Correct Answer: 1

What is contained within the Layout xml file?

1. Orientations and layouts that specify what the display looks like.
2. The permissions required by the app.
3. The strings used in the app.
4. The code which is compiled to run the app.

✅ Correct Answer: 1

The emulated device for android.

1. Runs the same code base as the actual device, all the way down to the machine layer.
2. Is more of a simulator, and acts as a virtual machine for the Android device.
3. Runs the same code base as the actual device, however at a higher level.
4. An imaginary machine built on the hopes and dreams of baby elephants.

✅ Correct Answer: 1

Your Java source code is what is directly run on the Android device.

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 2

The Emulator is identical to running a real phone EXCEPT when emulating/simulating what?

1. Telephony
2. Applications
3. Sensors
4. The emulator can emulate/simulate all aspects of a smart phone.

✅ Correct Answer: 3

How is a simulator different from an emulator?

1. Emulators are only used to play old SNES games, simulators are used for software development
2. The emulator is shipped with the Android SDK and third party simulators are not
3. The emulator can virtualize sensors and other hardware features, while the simulator cannot
4. The emulator imitates the machine executing the binary code, rather than simulating the behavior of the code at a higher level.

✅ Correct Answer: 4

The R file is a(an) generated file

1. Automatically
2. Manually
3. Emulated
4. None of the above

✅ Correct Answer: 1

To create an emulator, you need an AVD. What does it stand for?

1. Android Virtual Display
2. Android Virtual Device
3. Active Virtual Device
4. Application Virtual Display

✅ Correct Answer: 2

The ________ file specifies the layout of your screen.

1. Layout file
2. Manifest file
3. Strings XML
4. R file

✅ Correct Answer: 1

The manifest explains what the application consists of and glues everything together.

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 1

What is the driving force behind an Android application and that ultimately gets converted into a Dalvik executable?

1. Java source code.
2. R-file.
3. the emulator.
4. the SDK

✅ Correct Answer: 1

While developing Android applications, developers can test their apps on.

1. Emulator included in Android SDK
2. Physical Android phone
3. Third-party Emulators (Youwave, etc.)
4. All three options will work.

✅ Correct Answer: 4

What file is responsible for glueing everthing together , explaining what the applicatin consists of, what its main building blocks are, ext...?

1. Layout file
2. Strings XML
3. R file
4. Manifest file

✅ Correct Answer: 4

Which of the following is the most "resource hungry" part of dealing with Activities on Android.

1. Closing an app
2. Suspending an app
3. Opening a new app
4. Restoring the most recent app

✅ Correct Answer: 3

What runs in the background and doesn't have any UI components?

1. Intents
2. Content Providers
3. Services
4. Applications

✅ Correct Answer: 3

What is an Activity?

1. A single screen the user sees on the device at one time
2. A message sent among the major building blocks
3. A component that runs in the background without any interface.
4. Context referring to the application environment.

✅ Correct Answer: 1

When an activity doesn't exist in memory it is in.

1. Starting state
2. Running state
3. Loading state
4. Inexistent state.

✅ Correct Answer: 1

Which of the following is NOT a state in the lifecycle of a service?

1. Starting
2. Running
3. Destroyed
4. Paused

✅ Correct Answer: 4

There is no guarantee that an activity will be stopped prior to being destroyed.

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 1

Intents

1. are messages that are sent among major building blocks
2. trigger activities to being, services to start or stop, or broadcast
3. are asynchronous
4. all of these

✅ Correct Answer: 4

In an explicit intent, the sender specifies the type of receiver.

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 2

When the activity is not in focus, but still visible on the screen it is in?

1. running state
2. Paused state
3. stopped state
4. destroyed state

✅ Correct Answer: 2

An activity in a stopped state is doing nothing.

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 2

Services have any user interface components

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 1

Broadcast receivers are Android’s implementation of a system-wide publish/subscribe mechanism, or more precisely, what design pattern?

1. Observer
2. Facade
3. Mediator
4. command directive

✅ Correct Answer: 1

There can be only one running activity at a given time.

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 1

YAMBA stands for Yet Another Mobile Banking App.

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 2

Lists and adapters are more organizational aids than user interface elements in Android.

1. True
2. False
3. all of the above
4. All of the mentioned

✅ Correct Answer: 1

What built-in database is Android shipped with?

1. SQLite
2. Apache
3. MySQL
4. Oracle trace file

✅ Correct Answer: 1

Creating a UI (User Interface) in Android requires careful use of...

1. Java and SQL
2. XML and Java
3. XML and C++
4. Dreamweaver

✅ Correct Answer: 2