Computer History

合集下载

电脑的历史 英语作文

电脑的历史 英语作文

电脑的历史英语作文The history of computers spans centuries, evolving from simple calculating devices to the sophisticated machines we rely on today. Let's take a journey through the key milestones in computer history.The earliest precursor to the modern computer dates back to ancient times with devices like the abacus, usedfor basic arithmetic. However, it wasn't until the 19th century that the concept of a programmable machine began to take shape. Charles Babbage, often regarded as the "father of the computer," designed the Analytical Engine in the 1830s. Although never completed during his lifetime, Babbage's design laid the groundwork for future computing machines.The late 19th and early 20th centuries saw significant advancements in computing technology, particularly with the development of electromechanical machines. One notable example is the tabulating machine invented by HermanHollerith, which played a crucial role in processing data for the 1890 United States Census.The true dawn of the electronic computer age arrived in the mid-20th century with the invention of the ENIAC (Electronic Numerical Integrator and Computer) in 1946. Developed by J. Presper Eckert and John Mauchly at the University of Pennsylvania, ENIAC was the world's first general-purpose electronic digital computer. It weighed over 27 tons and occupied a large room, but itscapabilities were groundbreaking for its time.Following ENIAC, the development of computers progressed rapidly. The UNIVAC (Universal Automatic Computer), introduced in 1951, became the first commercially available computer. It was used for a variety of applications, including business data processing and scientific calculations.The 1950s and 1960s witnessed the emergence of programming languages and operating systems, making computers more accessible to users. FORTRAN, developed byIBM in 1957, was one of the first high-level programming languages, greatly simplifying the process of writing code. In 1964, IBM introduced the System/360 mainframe computer, which set the standard for compatibility across different models and paved the way for modern computing architectures.The 1970s marked the rise of personal computing withthe introduction of the Altair 8800, the first commercially successful microcomputer kit. This era also saw thefounding of companies like Apple and Microsoft, which would play instrumental roles in shaping the future of computing.The 1980s and 1990s brought further innovations, including the development of graphical user interfaces (GUIs) and the proliferation of personal computers in homes and offices. Apple's Macintosh, launched in 1984, popularized the use of GUIs, while Microsoft's Windows operating system became the dominant platform for PC users.The turn of the 21st century ushered in the era of mobile computing and the internet. Devices like smartphones and tablets revolutionized how we interact with technology,enabling constant connectivity and access to information on the go. Cloud computing emerged as a powerful paradigm, allowing users to store and access data remotely over the internet.Today, we stand on the cusp of the next wave of computing innovation, driven by artificial intelligence, quantum computing, and other cutting-edge technologies. The history of computers is a testament to human ingenuity and our relentless pursuit of progress in the digital age. As we look ahead, the possibilities for what computers can achieve seem limitless.。

History of Computers, Computer Graphics and Virtual Reality

History of Computers, Computer Graphics and Virtual Reality
invented in 1958 • Brooks: kinesthetic interaction between protein molecules
(1967) • Bell Labs: UNIX (1970) • Floppy disks (1970) • Intel 4004- computer on a chip (1971)
History of Computers, Compulity
Brief History of Computers
• Abacus, adding machine with gears (Pascal-17th c), Leibniz (early 18th c), Jacquard (loom, early 19th c)
Brief History of computers (con’t)
• IBM 650 – first mass produced computer – 500K RAM (1953) • Texas Instruments- silicon transistors (1954) • McCarthy and Minsky AI (1956) • DEC PDP- first minicomputer - monitor and screen (1960) • First video game (1962) • ARPANET (adv res proj agency – 1962) • Engelbart’s mouse (1964) • Integrated circuits (chips) in computers - Burroughs(1968)-
• Babbage’s Difference Engine and Analytical Engine (programmable- 19th c), Ada Lovelace

英语介绍电脑发展史

英语介绍电脑发展史

The ULSITFra biblioteke PCThe smallest CMOS chip(芯 片) in the world . It is 0.4
mm level.
Maybe computer’s invention is for the war, but with the development of society. I believe that the purpose of computer-generated is to make people to create more material wealth, and make the potential of people even greater development.
Thank you !
英语介绍电脑发展史
The first generation of tube
computer(1945-1956)
In February 15,1946,marking the birth of the modern computer ENIAC is invented in the Philadelphia (费城). The ENIAC represents the history of the computer milepost(里程碑).It is developed by the United states government and the university of Pennsylvania, used 18000 vacuum tubes(真空管),70000 resistors(电阻器),5 million welding point(焊接点),and the power consumption about 160 kilowatts. The operation speed is about 5000 times a second .it is very quick at that age .

计算机历史与发展英语作文

计算机历史与发展英语作文

计算机历史与发展英语作文英文回答:Computer history and development has been a fascinating journey filled with innovation, breakthroughs, and challenges. The evolution of computers can be traced back to the early 20th century when the first mechanical computers were invented. These early machines were large, slow, and mainly used for complex calculations.As time went on, the development of electronic computers revolutionized the industry. The invention of the ENIAC in the 1940s marked a significant milestone in computer history, as it was the first general-purpose electronic computer. This paved the way for the development of smaller, faster, and more powerful computers in the following decades.The introduction of personal computers in the 1970s and 1980s brought computing power to the masses. Companies likeApple and IBM played a crucial role in popularizing personal computers and making them more accessible to the average consumer. This era also saw the rise of operating systems like MS-DOS and Windows, which further simplified the user experience.The advent of the internet in the 1990s changed the way we use computers forever. The World Wide Web made it possible to access information, communicate with others, and conduct business online. This led to the development of e-commerce, social media, and other online services that have become an integral part of our daily lives.Looking ahead, the future of computer technology is filled with exciting possibilities. Advancements inartificial intelligence, quantum computing, and other emerging technologies are shaping the next generation of computers. These innovations have the potential to revolutionize industries, improve efficiency, and enhance our quality of life.In conclusion, the history and development of computershave come a long way since their humble beginnings. From mechanical calculators to supercomputers, computers have transformed the way we work, communicate, and live. As technology continues to evolve, I am excited to see whatthe future holds for the world of computers.中文回答:计算机的历史与发展是一段充满创新、突破和挑战的迷人旅程。

计算机专业英语unit 1_Computer History 2

计算机专业英语unit 1_Computer History 2

1. Review & Vocabulary Test
Q&A a.What is the logo of Apple Inc.? b.What’s Turing’s role in the development of computer? What else did he do? c.Give a brief introduction of the Enigma.
Unit One Computer History (2)
contents
1. Review & Vocabulary Test 2. Leading-in 3. Brighten Your Eyes—Words & Passage 4. Exercises 5. Talk Table 6. Homework
2. Second-generation Computers (1959-1964) It was the stored program and programming language that gave computers the flexibility to finally be cost effective and productive for business use. New types of careers (programmer, analysts and computer systems expert) and the entire software industry began with second generation computers.
4. Fourth- generation Computers (1971-Present) After the integrated circuits, the only place to go was down— in size, that is, large scale integration (LSI) could fit hundreds of components onto one chip. 5. Fifth-generation (Present and Beyond) Defining the fifth generation of computers is somewhat difficult because the field is in its infancy. Computers today have some attributes of fifth generation computers.

电脑发展史 Computer History

电脑发展史 Computer History

Some times the slide rule got out of hand
Circular Slide rule
First Integrated circuit 1955
Mechanical Calculators came next
The Mechanical Adding machine
Bill Gates and Paul Allen start up Microsoft. 1980
Apple Computer Steve Jobs and Steve Wozniak 1977
First Apple Computer and ALTAIR8800
IBM PC 1981 the business world wakes up
Early Telephone modem 1975
Commodore SR9190 programmed calculator
HP-35 Calculator 1972
Osborne 1 Portable Computer1981
VisiCalc the reason the PC became a business tool
Early calculator 1889 used for census
COLUSUS-1
EANIAC was developed for US Army 1944
FOSFET 1959
Integrated Circuit 1960
Tubes were used until 1963
Early Computer were made with Tubes
Ken back -1 1969 kit
First Integrated circuit 1958

history of computer计算机发展历史

history of computer计算机发展历史
Dennis Ritchie Bell Lab
“The C Programming Language”
PERL:1987 PYTHON:1991 JAVA:1995
B37VB2 Praxis: C Programming for Engineers
Unit 1b - 8
Instructions
Abacus 2000 years
B37VB2 Praxis: C Programming for Engineers
Unit 1b - 2
Manual computer
Pascal 1600s
Addition Subtraction
Leibnitz 1700s
Not computer
Link the objective files
Execute your code(For C only)
Generate executable file:EXE(windows),Target file(linux &Unix) Run in terminal window Input & output in terminal window
B37VB2 Praxis: C Programming for Engineers
Unit 1b - 9
Programming
Edit your source code Compile all source code
IDE software: VC++6.0,VS2012,Xcode,Eclipse Check syntax error Compile to assemble language Link all files together

我国计算机发展的历史

我国计算机发展的历史

我国计算机发展的历史英文回答:China's computer industry has a rich and dynamic history, spanning over several decades and marked by significant advancements and milestones.Early Beginnings.China's journey in computer science began in the 1950s with the establishment of research institutes and universities dedicated to the field. In 1956, the Institute of Computing Technology (ICT), under the Chinese Academy of Sciences, was founded and became the cradle of China's computer development.1960s and 1970s: Indigenous Development.During the 1960s and 1970s, China embarked on an ambitious program of indigenous computer development,driven by the need for self-reliance. In 1965, the ICT developed the first Chinese-made general-purpose computer, the DJS-10. This was followed by a series of successful projects, including the Dongfeng-11 (DF-11) supercomputer in 1973.1980s: Opening Up and Reform.The economic reforms initiated in the late 1970s brought significant changes to China's computer industry. The opening up of the economy to foreign investment and technology led to the influx of advanced computer systems and software. This period also witnessed the emergence of domestic computer companies, such as Lenovo and Huawei.1990s: Rapid Growth and Internet Boom.The 1990s was a decade of rapid growth for China's computer industry. The widespread adoption of personal computers (PCs) and the rise of the internet fueled the demand for computer hardware and software. Chinese companies seized this opportunity and expanded theiroperations both domestically and internationally.2000s to Present: Innovation and Global Leadership.The 21st century has been marked by China's rise as a global leader in computer technology. Chinese companies, such as Alibaba, Tencent, and Baidu, have emerged as tech giants with significant influence in the global marketplace. China has also made substantial investments in research and development (R&D), driving advancements in areas such as artificial intelligence (AI), cloud computing, and quantum computing.Today, China's computer industry is a vibrant and innovative ecosystem, contributing significantly to the country's economic growth and global competitiveness.中文回答:我国计算机发展的历史。

  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。

Computer History
Year/Enter Computer History
Inventors/Inventions Computer History
Description of Event
1936 Konrad Zuse - Z1 Computer First freely programmable computer. 1942 John Atanasoff & Clifford Berry
ABC Computer Who was first in the computing biz is not always as easy as ABC.
1944 Howard Aiken & Grace Hopper
Harvard Mark I Computer The Harvard Mark 1 computer.
1946 John Presper Eckert & John W. Mauchly
ENIAC 1 Computer 20,000 vacuum tubes later...
1948 Frederic Williams & Tom Kilburn
Manchester Baby Computer & The Williams Tube Baby and the Williams Tube turn on the memories.
1947/48 John Bardeen, Walter Brattain & Wiliam Shockley
The Transistor No, a transistor is not a computer, but this invention greatly affected the history of computers.
1951 John Presper Eckert & John W. Mauchly
UNIVAC Computer First commercial computer & able to pick presidential winners.
1953 International Business Machines
IBM 701 EDPM Computer IBM enters into 'The History of Computers'. 1954 John Backus & IBM
FORTRAN Computer Programming Language The first successful high level programming language.
1955
(In Use 1959)
Stanford Research Institute, Bank of America, and General Electric ERMA and MICR The first bank industry computer - also MICR (magnetic ink character recognition) for reading checks.
1958 Jack Kilby & Robert Noyce
The Integrated Circuit Otherwise known as 'The Chip'
1962 Steve Russell & MIT
Spacewar Computer Game The first computer game invented.
1964 Douglas Engelbart
Computer Mouse & Windows Nicknamed the mouse because the tail came out the end.
1969 ARPAnet The original Internet.
1970 Intel 1103 Computer Memory The world's first available dynamic RAM chip.
1971 Faggin, Hoff & Mazor
Intel 4004 Computer Microprocessor The first microprocessor.
1971 Alan Shugart &IBM
The "Floppy" Disk Nicknamed the "Floppy" for its flexibility.
1973 Robert Metcalfe & Xerox
The Ethernet Computer Networking Networking.
1974/75 Scelbi & Mark-8 Altair & IBM 5100 Computers The first consumer computers.
1976/77 Apple I, II & TRS-80 & Commodore Pet Computers More first consumer computers.
1978 Dan Bricklin & Bob Frankston
VisiCalc Spreadsheet Software Any product that pays for itself in two weeks is a surefire winner.
1979 Seymour Rubenstein & Rob Barnaby
WordStar Software Word Processors.
1981 IBM
The IBM PC - Home Computer From an "Acorn" grows a personal computer revolution
1981 Microsoft
MS-DOS Computer Operating System From "Quick And Dirty" comes the operating system of the century.
1983 Apple Lisa Computer The first home computer with a GUI, graphical user interface.
1984 Apple Macintosh Computer The more affordable home computer with a GUI.
1985 Microsoft Windows Microsoft begins the friendly war with Apple. SERIES TO BE CONTINUED。

相关文档
最新文档