Pergunta de entrevista da empresa Itilite

1)context switching -why where what 2)virtual memory 3) DB indexing 4) use oops to build uber (ood) 5) binary search trees ->inorder traversal in iterative method Finding rank(no of elements less than the key) Asked to try different methods 6) TCP UDP 7)time complexity what is O(n) theta of N difference 8) normalisation 1nf 2nf but he didn't expect much cause it's memory based 9)oops concepts