What is the development history of computers

The development history of computers is: 1. Mechanical computer stage, using mechanical parts and devices to perform calculations; 2. Electron tube computer stage, where computer speed and processing power have improved dramatically; 3. Transistor computer stage , computers became more compact, reliable and efficient; 4. The integrated circuit computer stage further reduced the size of computers and improved calculation speed and efficiency; 5. The microcomputer stage, the golden age of personal computers; 6. Personal computers In the era of computers and the Internet, mobile devices have become more portable and intelligent, and have become mainstream.

# Operating system for this tutorial: Windows 10 system, Dell G3 computer.

The development of computers can be traced back to ancient times thousands of years ago, but the evolution of modern computers can be mainly divided into the following stages:

1. Mechanical computer stage ( (c. 17th century - late 19th century): Early computing devices used mechanical parts and devices to perform calculations, such as Archimedes' ancient Greek device and Babbage's Analytical Engine. These mechanical computers were human-driven and used to perform tasks such as simple mathematical operations and table-making.

2. Vacuum tube computer stage (1940s-1950s): The invention of the electron tube led to a dramatic improvement in the speed and processing power of computers. At this stage, the world's first electron tube computer, ENIAC, appeared. It was a huge machine mainly used for scientific research and military applications. Subsequently, many computers using electron tubes appeared, such as EDVAC, UNIVAC, etc.

3. Transistor computer stage (1950s-1960s): The invention of transistors replaced electron tubes, making computers more compact, reliable and efficient. Computers during this period were gradually commercialized, such as the IBM 700 series and DEC PDP series, and began to be widely used in business, science and government sectors.

4. Integrated circuit computer stage (1960s-1970s): The birth of integrated circuits further reduced the size of computers and improved calculation speed and efficiency. During this period, the first microprocessor computer, the Intel 4004, appeared, marking the beginning of the personal computer era. Since then, personal computers and minicomputers have spread rapidly.

5. Microcomputer stage (1970s-1980s): This stage is the golden age of personal computers. Due to the continuous development of microprocessors, operating systems and application software, personal computers Computers have become an essential tool in home and office environments. The famous IBM PC and its compatibles came to prominence during this period.

6. Personal Computer and Internet Era (1990s-present): The widespread popularity of the Internet and the rapid development of computer network technology have enabled computers to connect to information and resources around the world. . Personal computers have become more portable and intelligent, and mobile devices such as smartphones and tablets have become mainstream. The rise of emerging technologies such as cloud computing, artificial intelligence, and big data has further promoted the development of computers.

These stages are only a rough summary of the development of computers. In fact, there are many important milestones and innovations at each stage. The development of computers has experienced great technological progress and innovation, and has continuously promoted the progress and change of human society.

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