An Operating System (OS) is a program which, after being initially booted into the computer, runs and manages all the other programs in that computer. The OS is the most important program that runs on a computer.
The OS keeps track of the Primary Memory; as in it keeps track of the memory which is in use and by whom, and the memory which isn't. Thus, it allocates the unused memory as and when a process or program requests it.
The OS allocates the Processor to a program and deallocates it when it is no longer required, ensuring that each program and application receives enough of the processor's time to function properly.
Brands that offer Operating System Solutions
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Made For One And All
The I/O Controller of the OS keeps a track of all your devices and decides which process gets the device, when, and for how much time. It uses another API to request data from the device driver.
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The OS prevents unauthorized access to programs and data by means of passwords and similar other techniques. Operating System security (OS security) is the process of ensuring OS integrity, confidentiality and availability.
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