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6.2.2. Key Concepts of System Calls
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- 1.
What is the purpose of a system call?
Hint
Think about how user programs communicate with the operating system.
- 2.
Name one common system call.
Hint
Consider the functions used for file operations.
- 3.
What is a system call?
- A function to access user memory
- A way for user programs to interact with the kernel
- An operation that only runs in kernel mode
Hint
Remember the role of user-space applications.
- 4.
True or False: Context switching occurs when transitioning from kernel to user mode.
- True
- False
Hint
Think about the transitions taking place during system calls.
- 5.
Explain the significance of system calls in operating systems and how they enhance application functionality. Use an example.
Hint
Think about how operating systems would function without these calls.
- 6.
Compare and contrast the operations performed in user mode and kernel mode, showcasing the implications of each.
Hint
Focus on the roles each mode play in system protection.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
1 more question available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting