A Brief History of the Computer

Hewlett-Packard 150, 1983 Representing the first step in a technology widely available today, the HP 150 was the first commercially available computer with
Roger Ressmeyer / Corbis

Hewlett-Packard 150, 1983
Representing the first step in a technology widely available today, the HP 150 was the first commercially available computer with touch screen technology. The 9-inch computer screen was surrounded by infrared transmitters and receivers that detected the position of the user's finger.

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