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Developing an application for android encompass different steps as follows:
Setup: Development environment is prepared during this phase. This includes downloading and installing JAVA JDK (JAVA Development Kit), Eclipse IDE, Android SDK, ADT plug-in for Eclipse and the latest SDK tools and platforms using the SDK Manager. We need also to set up an Android Virtual Device (AVD) to run the computer to be used for testing developed application.
Development: During this step the logic and framework of the application is designed. Based on that, source code and resource files for your application are developed.
Debugging and Testing: During this step the code is debugged to improve performance remove errors that may develop. The build at this stage is debuggable build. There are many tools available with the Android SDK to test applications.
Publishing: The application in this stage is prepared to be released. It is configured, built and tested on some test devices. If it is prove to be stable and error free, it is distributed to users.
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
Define process? What is meant by state of a process? Process is a program in implementation. A process in general includes the process stack, which consists temporary data and
Device Drivers Communicates straight with peripheral devices (disks, tapes, etc.). Responsible for begin physical I/O operations on the device. Pro
Describe the differences among short-term, medium-term, and long-term scheduling. Short-term (CPU scheduler)-selects from jobs in memory those jobs that are ready to execu
Present your own fully documented and tested programming example illustrating the prevention of a data race in a parallelised program. This is an example where total number of p
What is a general graph? A tree structure where links can go from one branch to a node earlier in the similar branch or other branch, allowing cycles.
Explain briefly the working of semaphore with example ? The E.W. Dijkstra (1965) abstracted the key idea of mutual exclusion in his concepts of semaphores. Definition A s
Q. Consider the demand-paged computer system where the level of multiprogramming is currently fixed at four. The system was recently deliberate to determine utilization of CPU and
___paging fecthces a page only when needed
We have stressed the need for an operating system to make efficient use of the computing hardware. When is it appropriate for the operating system to forsake this principle and to
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