DATAmatic 1000

It uses vacuum tubes and crystal diodes for logic, and featured a unique magnetic tape format for storage.

The system includes magnetic core storage of 2000 words or 24,000 digits in two banks, called "High-Speed Memory."

[2]: p.1–3  The system also includes two input and two output tape buffer storage units of 62 words (744 digits) each.

The DATAmatic uses 2,700 feet (820 m) long reels of 3 inches (7.6 cm) wide magnetic tape.

Available peripheral devices included:[3] Typical staffing for a DATAmatic 1000 installation (per shift) might be 32 people tasked with:[1] (Bank of Boston, 1961)