EC3354 – Signals & Systems | Unit Wise Important Questions | NOV/DEC 2025 | AU R-2021 | Cyber Codex

📘 Subject Code & Name: EC3354 – Signals and Systems 🎓 Semester: 3 | Regulation: AU R-2021 📝 Exam Series: NOV/DEC 2025 – Unit-wise Important Questions Welcome to Cyber Codex! In this video, we present the *Unit-wise Important Questions* for EC3354 – Signals & Systems, specially prepared for *Anna University NOV/DEC 2025* examinations. This video is useful for: ✅ ECE ✅ EEE ✅ EIE ✅ Communication Engineering ✅ Slow learners & arrear students ✅ Last-minute exam preparation 🔥 *Topics Covered:* Classification of Signals Continuous-Time & Discrete-Time Systems LTI Properties & Convolution Fourier Series & Fourier Transform Laplace Transform & Z-Transform Sampling, Aliasing & Reconstruction System Stability & Causality Expected 2-Mark & 13-Mark Questions Repeated University Questions Based on: ✔ Previous University Question Papers ✔ Repeated Important Questions ✔ Staff-Important Areas ✔ Exam-Focused Topics 📺 Latest Related Video: 👉 *[   • Anna University Regulation-2025  ]* 💡 Subscribe to Cyber Codex for: Anna University Important Questions ECE Subject Tutorials Lab Manuals + Viva Q&A Last-Minute Revision (Tamil) Python, Java, DBMS, CN, AI/ML, Cybersecurity content #CyberCodex #EC3354 #SignalsAndSystems #ImportantQuestions #NovDec2025 #AnnaUniversity #AUImportantQuestions #ECE #Sem3 #LastMinuteRevision #TamilEducation #Convolution #FourierTransform