Parallel Binary Adder / Ripple Carry Adder Explained | 4-Bit | BITM 2nd Sem | Digital Logic TU

Welcome to TU Exam Preparations-Dan. In this video, I explain the Parallel Binary Adder / Ripple Carry Adder for BITM 2nd Semester Digital Logic students under Tribhuvan University (TU). The topic is explained in a simple, clear and exam-friendly way, with a focus on the 4-bit Ripple Carry Adder, its circuit structure and how carry propagates from one full adder to the next. Topics Covered: Parallel Binary Adder Ripple Carry Adder 4-bit Ripple Carry Adder Full Adder as a building block Cascading Full Adders Carry propagation from LSB to MSB Sum and Carry outputs Circuit diagram Working mechanism 4-bit binary addition example Important points for Digital Logic examination This lecture is especially useful for BITM 2nd Semester students preparing for Tribhuvan University Digital Logic examinations and for students studying combinational circuits, adders and binary arithmetic. Watch the complete video and practice drawing the 4-bit Ripple Carry Adder circuit and explaining its working for your examination. Subscribe to TU Exam Preparations-Dan for more BITM/TU exam-oriented lessons, old questions, model questions and important Digital Logic topics. #BITM #DigitalLogic #RippleCarryAdder #ParallelBinaryAdder #BITM2ndSemester #TUExamPreparation #TribhuvanUniversity