Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of a system call?
💡 Hint: Think about how user programs communicate with the operating system.
Question 2
Easy
Name one common system call.
💡 Hint: Consider the functions used for file operations.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
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.
Question 2
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.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation