The MARS-1 was capable of reserving seat positions, and was controlled by a Hitachi mainframe transistor computer with a central processing unit consisting of a thousand transistors and a magnetic drum memory unit for data storage, which was where the MARS acronym originated from.
The MARS-1 system had the ability to reserve seats, and it was operated by a Hitachi mainframe computer with a central processing unit made up of a thousand transistors and a magnetic drum memory unit used for storing data. This is how the acronym MARS came about.