Hokushin Electric (which later became Yokogawa Hokushin Electric, and today is known as Yokogawa Electric) developed the MD 1001A magnetic drum unit for use as auxiliary memory for electronic computers. It had high-capacity (1,008Kbit) and low-speed rotation (3,000rpm), and was used in the Kintetsu Railway seat reservation system of NEC.
- Home >
- Historical Computers in Japan >
- Magnetic Drum Units >
- MD 1001A Magnetic Drum Unit for Auxiliary Memory
All Rights Reserved, Copyright (C) Information Processing Society of Japan