📄 BCA 4th Semester PYQ (Subject-Wise) Download AKU BCA 4th Semester Previous Year Question Papers for better exam preparation. 📚 BCA 401 – Relational Database Management System (RDBMS) PYQ 📚 BCA 402 – Digital Electronics, CSA & Computer Organization PYQ 📚 BCA 403 – File & Data Structure PYQ 📚 BCA 404 – Introduction to Statistics PYQ