When was the first operating system developed?

The first operating system used for real work was GM-NAA I/O, produced in 1956 by General Motors’ Research division for its IBM 704.

What is the oldest operating system?

The first operating system used for real work was GM-NAA I/O, produced in 1956 by General Motors’ Research division for its IBM 704. Most other early operating systems for IBM mainframes were also produced by customers.

How was the first operating system created?

The first operating system was introduced in the early 1950’s, it was called GMOS and was created by General Motors for IBM’s machine the 701. … These new machines were called mainframes, and they were used by professional operators in large computer rooms.

Which came first Microsoft or Apple?

Microsoft came first, founded in Albuquerque, New Mexico on April 4, 1975. Apple followed nearly exactly a year later on April 1, 1976 in Cupertino, California.

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