This lecture explores the behavior of molecular transistors and logic gates, focusing on the impact of molecular length, anchoring groups, and electrode materials. The instructor discusses the charging effect, resonance phenomena, and the role of torsion in molecular wires. Different types of molecules, such as thiophene and benzene derivatives, are analyzed in terms of their conductive properties. The design and simulation of logic gates using molecular technology are also covered, highlighting the challenges and advantages of using molecular components for computing purposes.