Question 1

Android is based on Linux for the following reason.
A)security
B)portability
C)networking
D)all of these

Accepted Answer

Android is based on Linux because Linux offers strong security, excellent portability across different hardware platforms, and robust networking capabilities, all of which are essential for mobile devices.

Question 2

What operating system is used as the base of the Android stack?
A)linux
B)windows
C)java
D)xml

Accepted Answer

Android is based on the Linux kernel, which is a free and open-source, Unix-like operating system kernel.

Question 3

What year was development on the Dalvik virtual machine started?
A)2003
B)2005
C)2007
D)2006

Accepted Answer

Development on the Dalvik virtual machine, which is closely associated with the Android operating system, started in 2005.

Question 4

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.

Accepted Answer

Android applications can be distributed by multiple vendors (e.g., Google Play Store, Amazon Appstore), and these vendors can have different policies regarding the applications they allow and the terms of distribution. This contrasts with platforms like iOS, where the Apple App Store is the primary distribution channel with uniform policies.

Question 5

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

Accepted Answer

Dalvik byte code is the target format for compiled Java code on Android. The Java byte code is converted into Dalvik byte code, which can then be executed by the Android runtime (ART).

Quiz 1: Android: Licensing, Ownership, and Development

Android is based on Linux for the following reason.

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

What year was development on the Dalvik virtual machine started?

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

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