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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.
Basic concepts When a process is to be changed in, the pager guesses which pages will be used before the process is changed out again. Instead of swapping in a entire process,
Compare 2 different operating systems.
prepare electricity bill without using file
Define race condition. When various process access and manipulate similar data concurrently, then the outcome of the execution depends on certain order in which the access take
Internal file structure All disk I/O is performed in units of single block, and all blocks are the similar size. It is unlikely that the physical record size will exactly match
What is low-level formatting? Before a disk can kept data, it must be required into sectors that the disk controller can read and write. This procedure is called low-level form
LRU evicts the page which was last accessed the farthest into the past of any page resident in physical memory, i.e. the least-recently used page. LRU approximates OPT when the rec
SEGMENTATION In a memory management system that is properly a programmer views a program to be collection of program components called as segments . Every segment is a logical
Parent process P creates three child processes, C1, C2, and C3. Each child process executes a memory and CPU intensive application of your choice. Your choice should be such that
Which are the different states of a process? Different status of a process is: New: When the process is created. Running: When instructions are executed. Wait
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