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Networking and operating systems - Essay Example

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An operating system is an element of software of a computer system accountable for managing and coordinating activities and also shares the computer resources. The operating system hosts the application programs run in machines. The essential key of the operating system is to…
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Download file to see previous pages The users can interact with the operating systems by use of graphical user interface (GUI) or typing commands. There are three major operating systems, including Mac OS X, windows and Linux.
Various companies are multitasking on i-OS4 instead of Blackberry devices. The i-OS4 ranks as the last mobile OS in supporting multitasking. The reason why the multitasking in Android is at last is because the designers entirely wanted to avoid it. The traditional multitasking cannot suit in Google phones and Androids because the limited resources and complexity. Complexity arises due to a simple UI and smaller visual space on mobile devices. There is no simple way of indicating to the user the running of the multiple applications. The device cannot also control or quit multiple applications (Raggo & Hosmer 2012, p. 97). Users often expect easy, simple and idiot-proof mobile devices. The second reason is inadequate resources. The phone uses memory and CPU to run everything, and in turn uses the battery power. Many of the apps, therefore, are not written or need to use all memory bytes or need of hitting the network in order to accomplish their tasks.
Saving state is the most common Android’s form of multitasking. The OS of an Android provides a major support in the operating system in enabling the application developers to write the current condition of their applications and reload back when their app is restarted. The OS keeps the application in memory enhancing the switch back to fast. Running in the background is the less ordinary form of multitasking, particularly on the apps the want to continue in downloading twitter messages, playing music or performing other activities. Android supports all the types of apps where it allows them to register and run various services (Raggo & Hosmer 2012, p. 109). The entire background runs as a service thread, ...Download file to see next pagesRead More
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