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Z1 Computer
The first freely programmable computer made by Konrad Zuse. -
Period: to
Computer Invention
The first freely programmable computer is made by Konrad Zuse. -
Start of project ENIAC
The start of project ENIAC in 1943. -
Harvard Mark I Computer
The Harvard Mark I Computer invented by Howard Aiken & Grace Hopper. -
ENIAC is completed
Programmed: plug board and switches
Speed: 5,000 operations per second
Input/output: cards, lights, switches, plugs
Floor space: 1,000 square feet
Project leaders: John Mauchly and J. Presper Eckert. -
IBM´s Selective Sequence Electronic Calculator
IBM´s Selective Sequence Electronic Calculator in public display. Speed: 50 multiplications per second
Input/output: cards, punched tape
Memory type: punched tape, vacuum tubes, relays
Technology: 20,000 relays, 12,500 vacuum tubes
Floor space: 25 feet by 40 feet
Project leader: Wallace Eckert -
EDSAC
First program stored computer, Technology: vacuum tubes
Memory: 1K words, 17 bits, mercury delay line
Speed: 714 operations per second -
ERA 1101
ERA 1101, the first commercially produced computer. The company´s first customer was the U.S. Navy. It held 1 million bits on its magnetic drum, the earliest magnetic storage devices. -
UNIVAC I
by John Presper Eckert & John W. Mauchly The UNIVAC I was the first commercial computer to attract widespread public attention. Speed: 1,905 operations per second
Input/output: magnetic tape, unityper, printer
Memory size: 1,000 12-digit words in delay lines
Memory type: delay lines, magnetic tape
Technology: serial vacuum tubes, delay lines, magnetic tape
Floor space: 943 cubic feet
Cost: F.O.B. factory $750,000 plus $185,000 for a high speed printer -
The Intergrated Circuit
Otherwise known as the "Chip"
Jack Kilby created the first integrated circuit.
His circuit consisted of a sliver of germanium with five components linked by wires. -
Space War computer game
Space War was the first computer game invented! -
Mouse and Windows
It was nicknamed the mouse because the tail came out at the end. -
ARPAnet
ARPAnet was the first internet -
The Floppy Disk
An IBM team, originally led by David Noble, invented the 8-inch floppy diskette. It is nicknamed the "floppy" for its flexibility. -
Ethernet Computer Networking
by Robert Metcalfe & Xerox
The Ethernet Computer Networking -
Apple I and II
Steve Wozniak designed the Apple I for an order for 100 machines at $500 each, he and Steve Jobs got their start in business. -
Apple Inc.
Apple Inc. was founded. -
Apple Macintosh Computer
Apple Computer launched the Macintosh, the first successful mouse-driven computer with a graphic user interface. -
Microsoft Windows
Here begins Apple's rival. -
Yahoo
Yahoo is found. One of the most popular search engines. Found by Jerry Yang and David Filo.
