Podcast
Questions and Answers
What is the main reason for a process to be moved to the 'Exit' state?
What is the main reason for a process to be moved to the 'Exit' state?
- Memory fault in virtual memory
- Illegal file access attempt (correct)
- I/O completion
- Supervisor call
In the context of process termination, what does a 'Trap' refer to?
In the context of process termination, what does a 'Trap' refer to?
- OS issue with I/O request
- Error/exception generated within the running process (correct)
- Switch to OS routine due to supervisor call
- Memory fault in virtual memory
When a supervisor call is made, what does the running process typically request from the operating system?
When a supervisor call is made, what does the running process typically request from the operating system?
- File open operation (correct)
- Memory fault resolution
- PCB update
- I/O completion
What occurs when a child process is terminated in a cascading manner?
What occurs when a child process is terminated in a cascading manner?
When does an operating system intervene in process termination?
When does an operating system intervene in process termination?
What minimizes overhead during a Mode switch from user mode to kernel mode?
What minimizes overhead during a Mode switch from user mode to kernel mode?
What is the function of the Kernel mode in an operating system?
What is the function of the Kernel mode in an operating system?
How does the processor determine the mode in which it should be executing?
How does the processor determine the mode in which it should be executing?
What triggers a change in the processor's execution mode?
What triggers a change in the processor's execution mode?
In process switching, what event can cause a process to execute beyond its time slice?
In process switching, what event can cause a process to execute beyond its time slice?
How does the operating system handle cascading process termination?
How does the operating system handle cascading process termination?
When would an I/O interrupt typically occur during process execution?
When would an I/O interrupt typically occur during process execution?
Which of the following is a key advantage of a process-based operating system design?
Which of the following is a key advantage of a process-based operating system design?
In the Unix SVR4 (System V Release 4) operating system, which of the following statements is true?
In the Unix SVR4 (System V Release 4) operating system, which of the following statements is true?
In a process-based operating system, what is the purpose of system processes?
In a process-based operating system, what is the purpose of system processes?
What is the advantage of implementing non-critical OS functions as separate processes in a process-based operating system?
What is the advantage of implementing non-critical OS functions as separate processes in a process-based operating system?
In the Unix SVR4 operating system, how does a user process enter kernel mode?
In the Unix SVR4 operating system, how does a user process enter kernel mode?
What is the key advantage of having a user program interrupted to employ an OS routine and then resumed, without incurring the penalty of two process switches?
What is the key advantage of having a user program interrupted to employ an OS routine and then resumed, without incurring the penalty of two process switches?
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