Computer Science (New) CLASS-XI (Optional for the academic year 2018-19 and mandatory for the academic year 2019-20 onwards) It comprises of 70 Marks of Theory exams and 30 marks of Practicals. Theory marks distribution is as follows: Unit No 1: Programming and Computational Thinking – 1 (35 Marks). Unit no 2: Computer Systems and Organisation (10 Marks). Unit No. 2: Data Management - 1 (15 Marks). Unit No. 4: Society, Law and Ethics - 1 (10 Marks). We at Testpaperz provide you a collection of CBSE Class 11 Computer Science Previous Year School Prelim Exam/ Sample Question papers. The question papers will give you an idea on the structure of the question papers expected. Download them free and attempt them at your convenience. CBSE Class 11 Computer Science Sample question papers will help you identify the areas where you would need special focus. All the best for your exams!