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Today in History of Computer - 27th July

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In 1941,

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August-Wilhelm Scheer is born

He German Professor business administration and business information at the Saarland University.
He was the Founder and director of IDS Scheer AG, a major IT service and software company. He is known for the development of the Architecture of Integrated Information Systems (ARIS).
offilcal website :


In 1945,

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Edmund Melson Clarke, Jr. is born

He was an Computer scientist and academic noted for developing model checking, a method for formally verifying hardware and software designs.
and he is the FORE Systems Professor of Computer Science at Carnegie Mellon University.


In 1961,

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The first IBM Selectric typewriter is released.

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The IBM Selectric typewriter was a highly successful model line of electric typewriters introduced by on July 31, 1961


In 1981,
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Microsoft buys the rights for QDOS from Seattle Computer Products (SCP) for $25,000.

QDOS (Quick and Dirty Disk Operating System), 86-DOS is a command-line operating system developed by Seattle Computer Products (SCP) and first demonstrated in June of 1979.
later purchased full rights to the operating system on July 27, 1981 and made it into what we now know as MS-DOS.

In 1993,

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Microsoft releases Windows NT 3.1.


In 2006,

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Intel introduces the Intel Core 2 processor E6300 (2M Cache, 1.86 GHz, 1066 MHz FSB).


In 1967,

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first electronic ATM installed in London.


“Work hard in silence, let your success be your noise...”



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