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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.
The performance of a file system depends upon the cache hit rate (fraction of blocks found in the cache). If it takes 1 msec to satisfy a request from the cache, but 40 msec to sat
Q. Researchers have recommended that instead of having an access list associated with each file (specifying which users can access the file and how) we should have a user control
Construct a process tree similar to Figure 1. Look up the Linux command pstree -p and describe what it does. Then type in the command the capture the output.
What is critical section? Every process has a segment code called the critical section, in which the process may be updating tables, changing variables, writing file and etc. W
Explain the steps in deadlock recovery. a) Exterminate off all processes involved - drastic. b) Exterminate off one at a time till deadlock gone - select a victim.
Q. Most WANs utilize only a partially connected topology. Why is this subsequently Answer: Cost. A completely connected network requires a link between every node in the netw
Explain the Peterson's solution for the critical section problem? In Peterson's solution two variables a) flag and b) turn are used as shared variables. If the both shared vari
five major activities on file management in operating system.? Explain it.?
Symmetric multiprocessing To get maximum reliability and efficiency a mode of function called as symmetric multiprocessing is used. In essence, with SMP any program or threads
For example, by initializing a semaphore to 0, threads can wait for an event to occur, and impose an ordering constraint, similar to a monitor using condition variables, but with m
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