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In process switching the CPU is required to be personally involve with every forwarding decision. Process switching is similar to doing long math versus doing it the quick way.

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What information about a process needs to saved changed or updated when context switching takes place?

any and all information about the job is saved before the contexted switch anything already completed is also saved.


What is the content PCB in operating system?

A Process Control Block (PCB, also called Task Controlling Block or Task Struct) is a data structure in the operating system kernel containing the information needed to manage a particular process. The PCB is "the manifestation of a process in an operating system".[1]Included informationImplementations differ, but in general a PCB will include, directly or indirectly:The identifier of the process (a process identifier, or PID)Register values for the process including, notably, the program counter and stack pointer values for the process.The address space for the processPriority (in which higher priority process gets first preference. eg., nice value on Unix operating systems)Process accounting information, such as when the process was last run, how much CPU time it has accumulated, etc.Pointer to the next PCB i.e. pointer to the PCB of the next process to runI/O Information (i.e. I/O devices allocated to this process, list of opened files, etc)During context switch, the running process is stopped and another process is given a chance to run. The kernel must stop the execution of the running process, copy out the values in hardware registers to its PCB, and update the hardware registers with the values from the PCB of the new process.


What are the 5 major activities of an operating system with respect to process management and briefly describe why each is required?

1. process creation: to create a process. 2. process termination: to terminate the process. 3. process abort: in case of abnormal execution of process,it is used to abort the process. 4. process load: to load the process in memory. 5. process execute: to execute the process.


What is an example of process?

A running instance of Notepad is a process.


What is difference between foreground process and background process?

Foreground process has access to the terminal standard i/osBackground process typically run with little or no user interaction at all, they interact with the system.

Related Questions

What is the difference between process switch and mode switch?

Process switch is switch the process state between the status like read, blocked ,suspend. Mode switch is the switch the process privilege between the mode like use mode, kernel mode. Generally a mode switch is considered less expensive compared to a process switch.


What are the steps involved in a switch installation process?

The steps involved in a switch installation process include planning the placement of the switch, preparing the installation area, mounting the switch, connecting the necessary cables, configuring the switch settings, and testing the switch to ensure proper functionality.


How do you replace rear wiper switch on a 2001 Wrangler?

Remove the dash bezel, remove the switch, reverse process with new switch.


Which layers does a link-layer switch process?

The link layer...


In computing what is the purpose of a context switch?

Context switching allows for a computer to multitask. It can suspend one process in order to switch over and run another process. The first process can be brought back up by suspending the second one.


How do you replace ignition switch on a 2000 silverado?

Remove the ignition switch retaining ring. Pull the ignition switch out. Remove the wiring harness from the back of the ignition switch. Reverse the process to install the new ignition switch.


How do you change ignition switch in a 98 ford explorer?

Remove the retaining nut from the ignition switch. Pull the switch out and remove the wiring harness. Reverse the process to install the new ignition switch.


Why context switch must be atomic?

Context switch must be atomic to ensure that the state of the system remains consistent during the switch. This is important because a context switch involves saving the state of the current process and loading the state of the next process. If the switch is not atomic, it could lead to data corruption or inconsistencies in the system, resulting in unpredictable behavior.


How do i replace a sonata power window switch?

Remove the door panel. Remove the switch retainer. Remove the wiring harness. Reverse the process to install the new switch.


How do you replace VW Ghia ignition switch?

Begin by removing the retaining ring at the top of your ignition switch. The ignition switch will slide out and you can remove the wiring harness from the end of the ignition switch. Reverse the process to install your new ignition switch.


How do you replace the window switch on a 1993 325i?

Remove the decorative cover to the window switch panel. Remove the window switch retaining screws. Remove the wiring harness from the back of the window switch. Reverse the process to install the new window switch.


How do you switch out ignition switch on a 1985 c10 Chevy pickup 4x4?

Remove the retaining ring at the top of your 1985 Chevy ignition switch. Slide the ignition switch out and remove the wiring harness. Reverse the process to install the new ignition switch.