Answer Posted / zahraa fatma
1. swapping:the operating system needs to release sufficient main memory to bring in a process that is ready to execute.
2.other OS reason :the operating system may suspend a background or utility process or a process that is suspected of causing a problem.
3.interactive user request :a user may wish to suspend execution of a program for purposes of debugging or in connection with the use of a resource .
4.timing:a process may be executed periodically (e.g.,an accounting or system monitoring process)and may be suspended while waiting for the next time interval .
5. parent process request:a parent process may wish to suspend execution of a descendant to examine or modify the suspended process ,or to coordinate the activity of various descendants.
| Is This Answer Correct ? | 41 Yes | 2 No |
Post New Answer View All Answers
why is the context switch overhead of a user-level threading as compared to the overhead for processes? Explain.
Briefly explain FCFS.
What is bursting?
How does reference counting manage memory allocated objects?
What is the Difference between Loading and Linking ?
How do I find system information?
Explain segmentation with paging?
What is Direct Access Method?
What is the purpose of system calls?
Who does the memory management in operating system?
What is ie tab in chrome?
How do I search for excel files on my computer?
Which program files folder is 64 bit?
Define the difference between preemptive and nonpreemptive scheduling.
Considering notepad/IE or any other thing as process, What will happen if you start notepad or IE 3 times ? Where three processes are started or three threads are started?