Diane Costagliola is a researcher, librarian, instructor, and writer who has published articles on personal finance, home buying, and foreclosure. Investopedia / Ellen Lindner Interlocking ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Dr. JeFreda R. Brown is a financial consultant, Certified Financial Education Instructor, ...

Electronic interlocking is a microprocessor-based (software-run) interlocking system used for controlling points, signals, etc, through visual display units/panels. (IE) Railways minister Ashwini ...

In case of trains, it’s not the loco pilots who decide the track on which a train runs. It is controlled and fixed by the cabin station master on a panel, connected electronically and mechanically ...