Pergunta de entrevista da empresa NEC Corporation

Algorithms and code: 1: Fibonacci series 2: Delete a node from a linked list 3: Traverse the diagonals of a 2d array Questions on OS: 1: Difference between semaphores and mutex and also functions used with these and related algorithm. 2: Difference between thread and process. Questions based on Java, Python and Django(as mentioned in my CV), summer intern and projects related questions.