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Period: to
tech
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kdf9
KDF9 Timesharing Director (English Electric) An early, fully hardware secured, fully pre-emptive process switching, multi-programming operating system for KDF9 -
dos
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apple
Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services -
microsoft
Sometime about the year 1590, two Dutch spectacle makers, Zaccharias Janssen and his father Hans started experimenting with these lenses. They put several lenses in a tube and made a very important discovery. -
abap
in 1933 abap was created -
windows
Microsoft introduced an operating environment named Windows on November 20, 1985, as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs)