# 1st Round - 1:30 Hour
*Operating System*
1. Deadlock in OS
2. Semaphores explain, features
3. Mutex vs Semaphore
4. Explain Kernel functions in OS
5. How many types of signals are in OS, signal Handling
6. Diff b/w process and thread
*Concepts in C programming*
7. Compilation stages in C
8. Storage classes in C
*OOPs concepts*
9. Explain OOPs with example(class, object, Polymorphism, Encapsulation, Inheritance
Data Abstraction)
10. Explain briefly about Encapsulation and Abstraction
*Python Coding Round*
11. Sum of two numbers using memorising function in python
12. Toggle nth bit of a number
13. Break a list into chunks of Nth size
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# 2nd Round - 1 Hour
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*Python Coding Round*
14. Shift last two elements to first position in list python. *Example : input = [1, 2, - 6, 8] output = [-6, 8, 1, 2]*
15. Time complexity explain
16. Remove all special characters, space, use lower / upper case and check palindrome of a given string. *Example : string = "Was it a Car or a cat I saw ?"*
17. Merge two sorted linked lists in python [DSA]
# 3nd Round - 1 Hour [Technical + Managerial]
18. Explain project
*Python Coding Round*
19. Read your resume file and search for a particular pattern and tell how many times, print complete lines containing.
*Operating System*
20. Explain Interrupt in OS with example