Writing test. Some questions about C#: diffrence between namespace and assembly what is cts what is cls deimon thread Prepare about follwing concepts - OS concepts, multitasking, event handling,software architecture - types of deadlocks and OS architecture types -how would you compare the time required to write results to a file with writing results on a screen? - Multithreading part from os - Data structure basic - inheritance, polymorphism , database related questions - i or 2 number of nodes in a complete BST with n leaves - how to draw a BST from sorted array (ans : recursion) - Swap two integers, say a =4 and b=6, without using a third variable - Fibonacci numbers using recursion