Of-course 'Processes'... Check in 'task manager' of windows OS or type 'top' command in Linux OS.
The short answer is that a real time OS has a very short (in real-time) and predictable latency response to interrupts and/or task thread switching when compared a standard computer or PC OS. A dedicated RT OS, meaning it performs more specific and/or limited functions can have a ten-fold decrease in the number of clock cycles or task switch times when compared to a traditional OS.
Dos is single user single task and windows single user multi task
Preempting
task manager
Reinsert your windows disk (OS) and then reinstall , there is something permetly wrong with your computer
Advanced operating system can be divided into two systems which are namely, Architecture driven systems and Application driven Systems. Architecture driven system include Network OS Distributed OS Multiprocessor OS and Application driven systems include Database OS Real time OS Multimedia OS. In simpler terms an OS here is a collection of software and associated protocol that performs specific task.
Depending on which OS you are using, but generically, right click and ensure the task bar is unlocked, then hold down the left button on the mouse and drag the task bar to where you want it.
the difference in critical and non critical task in a system is critical task are processes that the computer needs to operate correctly they are must have programs. Non critical talk are task that are running or can run but is not a crusial part if the task is deleted or ended then the OS should still fuction properly
In the Windows 7 OS... Click the Start menu button on the task bar, then 'Lock' menu button
The task manager is used for looking at your computers performance along with program that are running in the background. You can open this by going to Ctrl + Alt + Del and hitting "Task Manager".
An example of Single task, single user Operating system is Palm OS for palm handheld computers.