Related Clues:
- "Giant Brain" introduced in 1946
- Microsoft disk-operating system
- Early American electronic computer
- Disk-operating system
- So-called 'Giant Brain' unveiled in 1946
- PCs once ran on it
- Precursor of Windows
- What Windows 1.0 was based on
- It ran on many clones
- 1940s creation called a 'giant brain' in the press
- 1946 creation originally intended to calculate ballistics tables
- Early PC system
- Historic computer
- Early PC platform
- Room-sized supercomputer