No, Computer Science isn’t a difficult subject. If your basics are clear, you have a proper study schedule, you’re thorough with the syllabus and the weightage then you’re good to go and there is nothing to worry about. You could always have a look at CBSE Class 12 previous years’ question paper to make sure that you’re thorough with your preparation. Find these papers now on Vedantu for free. You can download the question paper for free on Vedantu to prepare for the final exam.