Which of the following operating systems is open-source

Recursive problems are implemented by

Which of the following is considered the strongest type of encryption method in modern cyber security practices?      

Which algorithm finds the longest common subsequence (LCS) of two sequences?

What is the worst-case time complexity of QuickSort with a random pivot for sorting n distinct elements?

Which traversal method in a binary search tree retrieves nodes in sorted order?

Dynamic Programming is preferred over recursion when:

Which sorting algorithm is not stable by default?

Which file structure is best suited for handling large datasets and ensuring fast access in C, C++, Java, or Python?         

In Database Management Systems, what is the primary purpose of normalization?

Which architecture allows multiple processors to share memory and work simultaneously?