9.7.1. Context Switching

Try these first

1. 1.

   What is context switching?

   Hint

   Think of it as pausing and resuming a movie.

2. 2.

   What triggers a context switch?

   Hint

   Consider what signals the OS to switch tasks.

3. 3.

   What is context switching?

   • Saving states of processes
   • Normal task execution
   • Only for real-time systems

   Hint

   Think of what happens when one task stops to let another start.

4. 4.

   True or False: Context switching is unnecessary in single-tasking systems.

   • True
   • False

   Hint

   Consider if there are multiple tasks being executed.

5. 5.

   Discuss the potential negative effects of high frequency of context switching in a system. How can this impact overall system performance?

   Hint

   Think about how much time is spent switching vs. executing tasks.

6. 6.

   What can be done to minimize context switching overhead in a multitasking environment? Provide examples.

   Hint

   Consider the organization of tasks and their execution strategies.