History of the Computer By Ray Cong

Pascaline

Jan 1, 1642

French mathematician Blaise Pascal invented the mechanical calculator in 1642. This machine can add and subtract two numbers directly and multiply and divide by repetition. It was also called Pascaline.

Step Reckoner

Jan 1, 1694

German mathematician Gottfried Wilhelm Leibniz invented the first calculator that could perform all four arithmetic operations: addition, subtraction, multiplication and division.

Difference engine

Jul 3, 1822

First difference engine was built by Charles Babbage, an English polymath, which has a precision of 6 decimal places.

Tabulating Machine

Jun 1, 1890

The American inventor Herman Hollerith tabulating machine, which helped process data for the 1890 U.S. Census. This was the first mass data processing in human history.

Audion

Oct 25, 1906

American inventor De Forest invented the Audion, the first triode vacuum tube and the first electrical device which could amplify a weak electrical signal and make it stronger.

Atanasoff-Berry Computer

Oct 24, 1939

First electronic digital computing device, build by John Vincent Atannsoff and John Berry.

ENIAC

Feb 14, 1946

ENIAC (Electronic Numerical Integrator And Computer) was the first electronic general-purpose computer. It was Turing-complete, digital, and capable of being reprogrammed to solve a full range of computing problems.

Transistor Computer

Jan 1, 1953

The University of Manchester's experimental Transistor Computer was first operational in November 1953 and it is widely believed to be the first transistor computer to come into operation anywhere in the world. It is the second generation of computer, filled with individual transistors and magnetic memory cores.

IBM System/360

Apr 7, 1964

First Integrated computer IBM System/360 was built. It's the third generation of computer.

Microprocessor

Jan 25, 1971

First microprocessor Intel 4004 was created. It is a 4-bit central processing unit(CPU).

Apple II

Jun 10, 1977

The Apple II is an 8-bit home computer, one of the first highly successful mass-produced microcomputer products.

Microsoft Windows

Nov 20, 1985

Microsoft Windows was published.

Connection Machine

Apr 14, 1987

The supercomputer Connection Machine was launched, and it had a arithmetic speed of over 20,000,000 PFlop/s.

Deep Blue Beats World Chess Champion

May 11, 1997

Deep Blue was a chess-playing computer developed by IBM. On May 11, 1997, the machine, with human intervention between games, won the second six-game match against world champion Garry Kasparov by two wins to one with three draws.Kasparov accused IBM of cheating and demanded a rematch. IBM refused and retired Deep Blue. Kasparov had beaten a previous version of Deep Blue in 1996.

Athlon

Jun 23, 1999

Athlon, the first desktop processor to reach speeds of one gigahertz (GHz), was published by AMD.

Blackberry released its first smartphone

Mar 4, 2002

RIM released its first Blackberry smartphone, blackberry 5810.

Dual Core Processors

Apr 4, 2005

AMD released the first Dual Core CPU in the history, which is called Athlon 64 X2. CPU goes in to the Dual Core age.

iPhone is coming!

Jun 29, 2007

The first generation iPhone was released on June 29, 2007. It soon becomes the most popular smartphone in the world.

Roadrunner, Faster Than 100 Billion A Second

May 25, 2008

A supercomputer, Roadrunner, was built by IBM for the Los Alamos National Laboratory in New Mexico, USA. The US$100-million Roadrunner was designed for a peak performance of 1.7 petaflops. It achieved 1.026 petaflopsto become the world's first computer that can count 100 billion times every second.

Milky way-2

Jun 16, 2013

Milkyway-2 , a new supercomputer built by China's national defense university of science and technology, became the fasest computer i the world with maxium counting speed of 54.9PFLOPS.

Future: Faster, Smaller and Smarter

Jan 1, 2015

The developing of computer science will continue going faster and faster in the future!