The OS used to operate the mobile phone is a Embedded OS. An embedded operating system is a specialized operating system (OS) designed to perform a specific task for a device that is not a computer. The main job of an embedded OS is to run the code that allows the device to do its job.
In computing, multitasking is the concurrent execution of multiple tasks over a certain period of time. New tasks can interrupt already started ones before they finish, instead of waiting for them to end.
Two level implementation is used in operating system to separate mechanism from policy. It uses two different schedulers, one lower-level scheduler which can only select among those processes in memory to run. That scheduler could be a Round-robin scheduler. The other scheduler is the higher-level scheduler whose only concern is to swap in and swap out processes from memory.
The modern keyboard typically has __________ Function keys.
Essential files of MS DOS are Command.com, Io.sys, Msdos.sys. To execute or run a file from MS-DOS, you must run an executable file, which are .exe, .Bat or .com files. If you are uncertain which files in the current directory are executable files, use the DIR command below at the MS-DOS prompt to list .exe files.
Which Operating System doesn't support long file names?
MS Dos was the main operating system for IBM PC compatible personal computers during the 1980s. It was gradually superseded by operating systems offering a graphical user interface (GUI) in various graphical Microsoft Windows operating system generations.