The IBM 701 was IBM’s first computer, announced on January 7, 1953. It was IBM’s first mass-produced scientific computer, and the first IBM computer to use transistors.

The 701 used vacuum tubes, but had a design that allowed for easy substitution of transistors when they became available. The first 701s were delivered to the United States Navy in September 1953.

The 701 was followed by the IBM 702, announced on April 7, 1954.

What was IBM’s first computer?

IBM’s first computer was the IBM 701. It was announced to the public on January 3, 1952. The 701 was a vacuum …