In 1936

The British mathematician A.M.Turing invented the Turing machine, which made theoretical preparations for modern computer hardware and software.

in p>1942

the world's first electronic computer ABC was successfully developed. It has 311 vacuum tubes and adopts binary system. Its basic architecture is no different from that of modern computers.

In p>1943

British computer "Giant" was put into operation. But it was kept secret until 1971.

1945

The father of modern computers: von Neumann first put forward the concept of stored program computer, namely "von Neumann machine".

1946

On February 11, the electronic digital integrator and computer were born. It is equipped with 18,111 vacuum tubes, with a total weight of 31 tons and a cost of nearly 511,111 US dollars. It is the world's first multifunctional, all-electronic digital computer, which can realize thousands of multiplication operations per minute.

1946

In May, Cambridge University in England successfully developed the first von Neumann machine EDSAC.

1947

On February 23rd, Bell Telephone Laboratory in America invented the first transistor in the world.

In p>1948

The University of Manchester developed the world's first stored program machine Baby.

In p>1951

Engineering Research Associates manufactured the world's first commercial computer ERA 1111.

in p>1951

the first digital computer UNIVAC1 was created for the American census.

In p>1952

Grace Hopper sketched out the first blueprint of "compiler", that is, all programs were translated into machine language before execution, which made great contributions to computer business.

In p>1955

Grace Hopper developed the A-3 compiler Math-Matic.

1956

The world's first computer with transistor elements was successfully developed.

the first transatlantic telephone cable has been laid.

Bell Lab has developed a prototype of videophone.

in p>1957

IBM designed the world's first computer hard disk RAMAC 351, with a diameter of 24 inches and a total capacity of 5 megabytes.

IBM developed FORTRAN language.

in p>1958

the first commercial electronic tube computer Univac Model 81 was released.

MIT John McCarthy began to develop Lisp language, which was completed in 1961.

1959

The world's first integrated circuit came out.

published Cobol language specification, which was completed in 1961.

in p>1964

IBM released the IBM System/361 computer.

In p>1965

DEC introduced the world's first standard minicomputer PDP-8, which was truly recognized by the industry.

Thomas E.Kurtz and John Kemeny of Dartmouth college in the United States developed the Basic language.

The world's first program-controlled telephone exchange-American Bell System No.1 electronic exchange came out.

the international satellite communication organization launched a semi-experimental and semi-practical stationary (synchronous) communication satellite, marking the beginning of the era of synchronous satellite communication.

in p>1967

the American newspaper Computerworld was founded.

IBM introduced the world's first floppy disk with a diameter of 32 inches.

Njklaus Wirth of Switzerland started to develop Pascal language based on Algol, which was completed in 1971.

in p>1968

IBM developed the world's first database management system IMS.

O.J.Dahl and K.Nygard of Norwegian Computing Center published the first object-oriented language, Simula 67.

In p>1969

Bell Laboratories developed the first multi-task and multi-user computer time-sharing system Unix in assembly language.

IBM allows customers to purchase its software and hardware separately, thus establishing the software market.

The U.S. Department of Defense began to study ARPANET, which is regarded as the beginning of the Internet.

In p>1971

Ken Thompson and Dennis M.Ritchie of bell laboratory began to develop Unix operating system.

The optical fiber with a transmission loss of only 21 dB/km and the semiconductor laser which can work continuously at room temperature have been successfully developed, and the optical fiber communication is becoming practical.

in p>1971

Intel developed the world's first microprocessor 4114.

Niklaus Wirth speaks Pascal.

Gary Starkweather developed the world's first laser printer in xerox's laboratory.

in p>1972

Dennis Ritchie of p>Bell Lab developed C language.

CCITT first put forward the concept of ISDN.

in p>1973

Alain Colmerauer of Luminy－Marseilles University in France developed Prolog language.

marty cooper invented the mobile phone and became the first person to use it.

in p>1974

the us department of defense developed TCP (transmission control protocol).

Intel introduced the 8181 microprocessor, which was adopted by the world's first commercial PC.

Zilog company introduces processor Z-81.

The first commercially successful PC Altair 8811 was successfully developed.

IBM first proposed a simplified instruction set for computers.

Xerox launches the first workstation prototype Xerox Alto.

in the first computer chess championship, the Russian program KAISASA won.

In p>1975

Bill Gates and paul allen developed the world's first set of standard microcomputer software Basic for Altair and founded Microsoft.

Xerox and Stanford University jointly launched "Ethernet". The network became the first industrial standard product of LAN.

in p>1976

Cray-1, the first commercially successful supercomputer, was successfully developed, with an operation speed of 251 million times per second.

Hayes introduced the first PC modem.

In p>1977

The first PC Apple II with color display was officially unveiled.

The world's first commercial optical fiber communication system was opened between two telephone offices in Chicago, USA (7 kilometers apart).

in p>1978

TCP was divided into TCP and IP.

1981

Osborne, the world's first portable computer, appeared.

the IBM PC named "personal computer (PC)" appeared for the first time on August 2nd. It uses Intel's 8188 processor and Microsoft's MS-DOS operating system.

Ashton-Tate introduced dBaseⅡ ⅱ.

Ian Murphy, a 23-year-old man who calls himself Captain Zap, sneaked into the computer systems of the White House, the Pentagon and BellSouth.

in p>1983

the cellular mobile phone communication system was put into commercial use.

In p>1984

Apple introduced the Apple Macintosh.

the domain name system is created.

MIPS Computer Systems Company founded and started to develop RISC architecture with Stanford University.

HP introduces personal laser printer.

in p>1985

Intel introduced the 386 microprocessor.

the official version of p>Windows 1.1 is available.

In p>1986

NSFnet with a backbone network speed of 56KB/ s was established by the National Science Foundation of the United States.

in p>1987

IBM and Microsoft released OS/2 1.1.

Kodak launched the world's first commercial digital camera with megapixels.

On October 1, 1988, Robert Morris, a graduate student of Cornell University in the United States, released an experimental network worm program when he tried the feasible idea of computer virus in ARPANET. Within 8 hours, this program invaded 3,111 ~ 6,111 VAX computers and Sun computers running Unix operating system, causing serious losses. Morris is both a virus maker and the first hacker on the Internet.

The first transatlantic submarine communication optical cable (TAT-8) system was successfully laid.

in p>1989

the United States launched the first global positioning system (GPS) working satellite.

Timothy Berners Lee, a British scientist, developed the world wide web.

The launch of Sound Blaster Card by Singapore Innovation Company marks the coming of PC multimedia era.

in p>1991

IBM released RS/6111 based on RISC.

the worldwide web software has been successfully developed.

Archie, an p>Internet search program, came out at McGill University.

the earliest lan switches was successfully developed.

In p>1991

Linus Torvalds, a student of Helsinki University in Finland, developed the Linux operating system and spread it as free software.

1992

On March 22nd, Intel launched the 5th generation Pentium processor.

In p>1993

Peter de Jager published the article "The Doomsday of the Year 2111" in Computerworld, warning the danger of Y2K problem and the cost of solving it.

the Clinton administration of the United States announced the planning of the national information infrastructure in the United States, which is referred to as NII, commonly known as information expressway.

Microsoft officially released Windows NT.

in p>1994

Netscape of the United States announced the browser Navigator for the Internet.

the p>Internet has entered the era of commercialization.

in p>1995

Microsoft introduced Windows 95, a 32-bit desktop operating system.

Microsoft launched Internet Explorer, an Internet browser.

IP phone made its debut, and VocalTec launched Internet Phone client software.

The world's first commercial CDMA mobile communication network was opened in Hong Kong.

Sun company launches Java language.

Larry Ellision, president of p>Oracle, put forward the concept of network computer (NC).

Amazon sold its first book on the Internet.

some internet-related companies are listed. Netscape became the third largest Nasdaq IPO stock value.

domain name registration is no longer free, and it costs $51 a year.

in p>1996

34 famous American universities launched the "Next Generation Internet" project in Chicago.

rewritable optical disc (CD-RW) technology comes out.

Palm Pilot 1111, a PDA product, went on the market.

In p>1997

The chess software on p>IBM's Deep Blue machine defeated the world chess champion Gary Kasparov for the first time.

IETF proposes IPv6 standard.

IEEE 812.11, a wireless local area network standard, was issued.

Yahoo and Amazon were listed successfully.

in the year of e-commerce, there were more than 111,111 online retailers. By the end of 1997, Cisco's sales of network equipment on Web sites were $3 billion, and the daily sales of PCs on Dell sites were $1 million. In 1997, 39% of Cisco's total revenue of $6.4 billion came from its Web site.

in p>1998

the p>iMac apple computer came out.

Larry Page and Sergey Brin founded Google, which became a widely used Internet search engine.

The British Broadcasting Corporation (BBC) first broadcast digital TV programs in the world.

Iridium system began to provide personal communication business services to the whole world.

on October 26th, Compaq acquired DEC for $9.6 billion.

Nortel Canada acquired Bay of the United States for $9 billion.

on p>11/19, the U.S. federal court decided to formally hold a hearing on the antitrust lawsuits filed by the U.S. Department of Justice and 21 state governments against Microsoft.

in October, American Online, a service provider, bought Netscape Communications Company for $4.2 billion.

1999

On October 4, 2119, Lucent Technology announced that it would acquire Ascend for $24 billion.

On October 11, 2111

America Online, the world's largest Internet access service provider, announced that it would acquire Time Warner by way of stock exchange with a total transaction amount of over US$ 161 billion.

on may 7th, the world's largest online fashion retailer and the most well-funded. com company in Europe announced its closure. At least 131 Internet companies in the United States have closed down because of the exhaustion of funds.

the growth rate of the us IT market slowed down for the first time in 9 years.

On April 24th, 2111,

IBM announced that it would acquire Informix's database business for $1 billion in cash.

on may 29th, Itanium, Intel's first 64-bit processor chip, was officially released.

on August 28th, Microsoft released the first 64-bit Windows operating system Windows Advanced Server Limited Edition.

on September 4th, HP announced that it would acquire Compaq at a stock exchange price of $25 billion.

in September, NTT DoCoMo took the lead in launching 3G services in the world.

on October 25th, 11, Microsoft released Windows XP.

in February, NTT announced that it would jointly conduct grid computing experiments with Intel and SGI.

in may p>2112

the IEEE 812.3 Ethernet standard organization approved the final draft of the 11 gigabit Ethernet standard.

IBM announced that it will invest $1 billion to support Linux.

IDC said that the growth rate of -2.3% made 2112 the worst year in the history of IT industry.

IBM announced that it will invest $11 billion to press.