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Konrad Zuse made a mechanical calculator
The first binary computer; called the Z1, first freely programmable computer.One of the most difficult aspects of doing a large calculation with either a slide rule or a mechanical adding machine is keeping track of all intermediate results and using them -
Chile's Major Eathquake
Some 28,000 peolpe killed from 8.3 eathquake -
World War 2
Hitler invaded Poland from the west; two weeks later, France & Britain declared war on Germany -
John Atanasoff & Clifford Berry made ABC computer
(prototype) first computer machine to use electricity, vacuum tubes, binary numbers, & capacitory. $850 to build full-sized one -
World War 2 in the West
Germany invaded Nortway & occupied Denmark, and the war began in earnest -
MARK series of computers began
Computer, controlled by pre-punched paper tape, could care out addtion, subbtraction, multiplication, and division. 5-ton device contained almost 760,000 separate pieces. Data was stored and counted mechanically using 3000 decimal storage wheels, 1400 rotary dial switches, and 500 miles of wire -
Tornadoes crossed West Vergina & Pennsylvania
Happened around 5:30 am, destroyed hundereds of homes, killed 151 people, series of twisters finally ended at 10 p.m. Coal-mining towns were also hit hard -
John W. Mauchly & John Presper Eckert made ENIAC 1 Computer
Was used by the military for calculating artillery-firing tables. In April 1946, a $300,000 deposit was given to Eckert and Mauchly for the research into a new compute -
Transistor made
not a computer but is an important event in Computer History -
Frederic William & Tom Killburh make Manchester Baby Computer & The Williams Tube
used a stored program, first executed on June 21, 1948. -
UNIVAC Computer made
first commercial computer & able to pick presidential winner -
International Business Machines IBM 701 E DPM Computer
had electrostatic storage tube memory, used magnetic tape to store information, and had binary, fixed-point, single address hardware. -
Furtran Computer Programming Language
The first successful high level programming language -
ERMA & MICR
computerized the banking indrustry, MICR allowed computers to read special numbers provided a vision of what business could expect from the application of data-processing machines, and illustrates how and why some of the key capabilities were invented -
Asian Flu Pandemic
global death was estimated to be aroung 2 million, called H2N2 was on the whole a much milder illness than that of 1918 By December 1957, the worst seemed to be over -
Jack Kilby & Robert Noyvce make The Integrated Circuit
designing a complex electronic machine like a computer it was always necessary to increase the number of components involved in order to make technical advancesboth electrical, both engineers were working on an answer to the same dilemma: how to make more of less. -
Spacewar Computer Game
First computer game invented, about 200 man-hours to write the first version of Spacewar, two-player game involving warring spaceships firing photon torpedoe. each player could maneuver a spaceship and score by firing missiles at his opponent while avoiding the gravitational pull of the sun -
Computer mouse & windows
nicknamed the mouse cuz tail came out of the end, user-friendly tool that almost anyone can use first prototype computer mouse was made to use with a graphical user interface windows -
ARPAnet
Original Internet, protected the flow of information between military installations by creating a network of geographically separated computers that could exchange information via a newly developed protocol
