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Electromechanical Computer

Understand the origins of operating systems by examining early electromechanical computers such as Herman Hollerith's tabulator. Learn how its mechanical design operated without an OS and why its slow, manual processes limited automation. This lesson sets the foundation for appreciating the evolution of computer operation systems.

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Let’s turn to history to discover the origins of operating systems. The first commercial OS was the GM-NAA I/O. It appeared for the IBM 704 computer in 1956. All computers before then worked without any OS because they didn’t have the high computational speed that requires an OS.

Tabulators

Let’s consider the first electromechanical computer. Herman Hollerith constructed it in ...