Helen Augusta Blanchard was an American inventor who received 28 patents between 1873 and 1915. She was known for her numerous inventions dealing with sewing machines and sewing technology.
1892 – Margaret Ingels, American mechanical engineer is born.
Margaret Ingels was an American engineer. She is known as the first female engineering graduate from the University of Kentucky, receiving her Bachelor of Science degree in Mechanical Engineering in 1916. She was also the second woman engineering graduate in the United States and the first woman to receive a professional degree of Mechanical Engineer. Her work on air conditioning included “developing the “effective temperature” scale to incorporate humidity and air movement in the equation for human comfort.”
1977 – Digital Equipment Corporation releases OpenVMS V1.0.
OpenVMS is a computer operating system for use in general-purpose computing. It is the successor to the VMS Operating System (VAX-11/VMS, VAX/VMS), that was produced by Digital Equipment Corporation (first released in 1977) for its series of VAX-11 minicomputers and its line of desktop workstations (DEC Alpha). The name VMS is derived from virtual memory system, according to one of its principal architectural features. OpenVMS also runs on the Itanium-based families of computers. OpenVMS is a proprietary operating system (though the source code is available for purchase). Thus, it is not considered open-source software.
OpenVMS is a multi-user, multiprocessing virtual memory-based operating system (OS) designed for use in time sharing, batch processing, and transaction processing. When process priorities are suitably adjusted, it may approach real-time operating system characteristics. The system offers high availability through clustering and the ability to distribute the system over multiple physical machines. This allows the system to be tolerant against disasters that may disable individual data-processing facilities.
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