What is the virtual machine that runs the Android apps in an Android smart phone?

1. 
   What is the virtual machine that runs the Android apps in an Android smart phone?
   

2. 
   Why DVM is used instead of the conventional Java virtual machine (JVM)?
   

• 
  DVM is optimized to run on slow-cpu, low-ram, and low-power devices
  
• 
  Every Android application runs in its own process, with its own instance of the DVM
  
• 
  DVM is written so that a device can run multiple VMs efficiently
  

3. 
   What is an API level in Android programing?
   

4. 
   Write the code segment to start an Activity from another Activity.
   

5. 
   Can you develop Android application without eclipse?
   

6. 
   What steps do you have to follow to run and Android application that was written in eclipse?
   

-Install the driver if it the first time plugged in

7. 
   What is the installing android application package file is called?
   

8. 
   What is the XML file in Android development that determines which processes will host application components?
   

9. 
   What is the use of application permissions in Android?
   To restrict the misuse of important resources and enable privacy