CBSE Class 12 Computer Science Important Assertion Reasoning ... A is false but R is True 4 Assertion(A): Python overwrites an existing file or creates a non-existing file when we open a file ...

CBSE Class 12 Practical exams ... obtaining good marks in Computer practicals. SQL Queries – Minimum 5 sets using one table / two tables. Minimum 2 programs based on Python - SQL connectivity.