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Android operating system is an open source, Linux-based Smartphone OS. It is the world's most popular mobile platform with more than 700,000 applications and 25 billion downloads. Applications are usually developed in the Java programming language using different tools, but mainly the Android Software Development Kit. The Android platform has also grown to become a favourite among mobile developers. According to IDC [3], Android is growing rapidly and by Q3 2012 it has about 75 % market share of the smart phones globally. This makes it a good platform for developing applications.
Q. What are the three main activities of an operating system in regard to memory management? Answer: a. Keep follows of which parts of memory are currently being used and
advantage and dis advantage of threads
What is independent process? A process is independent it cannot influence or be affected by the other processes implementing in the system. Any process does not share data with
What is preallocation? Why do it? Allocating space for a file before making the file to allow for expansion. This reserves space for a certain file so that other files can't gr
What is meant by context switch? Switching the CPU to another process needs saving the state of the old process and loading the saved state for the latest process. This task is
What is a Process Control Block? Every process in the operating system is represented by a process control block as well called a task control block. It contains several pieces
summary of what operating system do
Define what a macro definition consists of
Explain the Architecting For Processes Processes are very important to the server application developer, as they may be used to increase responsiveness, deduction time, and tur
While it is hard to resolve a deadlock which has been detected, fortunately it is fairly easy to prevent deadlocks from ever happening. The key is that the conditions above for dea
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