CONTENTS 1. Miniaturization of Electronic Devices 2. Logic Gates 3. Molecular Switches 4. Molecular NOT Gates 5. Molecular OR Gates 6. Molecular AND Gates 7. Combinational Logic with Molecular Systems 8. Combinational Logic with Supramolecular Systems 9. Combinational and Sequential Logic with Multiple Molecular Components 10. Solid-State Molecular Logic Gates 11. Conclusions Glossary References