Practice some selected questions on the Fundamentals of OS. Each Practice test will have 10 objective questions and the difficulty level will keep on varying. In this way, you can truly measure your potential and know how much hard work and labour will go into scoring better.
Rearrange your thoughts and start attempting these model test papers on Fundamentals of OS. These test papers are specially designed to simulate a similar test pattern to major competitive exams so you get to learn a lot after each progressive attempt you make in the mock test series.