June 2012

In 1983, aboard Challenger 2, Sally Ride became the first U.S. woman in space. The first woman in space was Russian cosmonaut Valentina Tereshkova, who orbited the Earth 48 times in 1963. Learn more about Sally Ride at http://www.jsc.nasa.gov/Bios/htmlbios/ride-sk.html

In 1988, Microsoft released MS-DOS 4.0. MS-DOS 4.0 provided XMS support, support for partitions on hard disks up to 2 GB and a graphical shell. Compatability issues and bugs were addressed in MS-DOS 4.01 later that year. Learn more at http://en.wikipedia.org/wiki/MS-DOS

In 1911, Computing Tabulating Recording (CTR) Corporation, the precursor to IBM, was incorporated. It was a merger of three companies: the Tabulating Machine Company, the International Time Recording Company and the Computing Scale Corporation. CTR became IBM in 1924. Learn more at http://en.wikipedia.org/wiki/History_of_IBM

In 2000, Microsoft released the Windows CE 3.0 operating system. Windows CE 3.0 was the base OS for the Pocket PC 2000, Handheld PC 2000, Pocket PC 2002 and Smartphone 2002 platforms. Some of the Windows CE 3.0 enhancements included better real-time and multimedia capabilities

In 1951, the first commercial computer, UNIVAC 1, entered service at the Census Bureau. The UNIVAC I used 5,200 vacuum tubes, weighed 29,000 pounds, consumed 125 kilowatts and could perform about 1,905 operations per second. Learn more at http://en.wikipedia.org/wiki/UNIVAC_I#Major_physical_features

In 1983, Pioneer 10 became the first man-made object to leave our Solar System. Launched on March 2nd, 1972, Pioneer 10 was the first spacecraft to travel through the Asteroid belt and the first spacecraft to make direct observations and obtain close-up images of Jupiter.

In 2009, full power television stations had to convert from analog to digital broadcasting by midnight. An important benefit of the switch to all-digital broadcasting is that it freed up parts of the broadcast spectrum for public safety communications, the need for which became readily