answersLogoWhite

0


Want this question answered?

Be notified when an answer is posted

Add your answer:

Earn +20 pts
Q: What happens when a context switch occurs?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

The actions taken by a kernel to context switch bet user levl thread?

When a context switch occurs, the kernel saves the context of the old process into its Program Control Block and loads the saved context of the new process scheduled to run.


What happens when ions in two compounds switch places?

A double replacement/displacement reaction occurs.


What is the difference between context switch and process switch?

when ever an interrupt occurs, it saves the context of the program being executed & sets the PC to the starting address of the interrupt handling program. now after servicing the interrupt if the same process is resumed which was being interrupted then we will say a context switch has occurred.But imagine after servicing the interrupt if a new process is to be executed then some more work is required, that is it has to save some more information from the PCB to keep reference to resume its execution and we say process switch has occurred..!!


Does a privileged instruction involves a Context Switch in Unix?

In any environment, in order to execute a privileged instruction you have have to switch from user mode to kernel mode, hence a context switch.


Describe the actions of a context switch if the new context is already loaded into one of the register sets.?

If the new context is already loaded into one of the register sets, a context switch involves simply changing the pointer to the register set in use. This is a faster operation as no actual data needs to be moved between memory and registers, resulting in a quicker context switch process.


What is another name for occurs?

another word for occurs is happens.


What occurs after weathering?

After weathering occurs nothing happens i think. :)


How can you minimize idle time in context switch?

If the process that gets the control can be put into the register (its kept in cache though) means less time to fetch and have a context switch. Any way the context switching time isn't a big time delay.


What context does the propaganda occur in?

Propaganda occurs before every election.


What is the grammatical term for the phrase seldom?

Seldom is an adverb. Just like 'rarely' is used to describe how often something occurs, 'seldom' is used in that same context to qualify how often something is done or happens.


What happens when thunder occurs?

nothing happens its just a sound.


What happens if the switch is open?

If the switch is open, current does not flow.