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HomeCommon ProblemWhat electronic components are currently used in manufacturing computers?

The electronic devices currently used in manufacturing computers are "large-scale and very large-scale integrated circuits". The fourth generation of electronic computers from 1970 to the present uses large-scale integrated circuits (LSI) and very large-scale integrated circuits (VLSI) as the main electronic components in terms of hardware; in terms of software, database management systems, network management systems and object-oriented languages ​​​​have emerged. wait.

What electronic components are currently used in manufacturing computers?

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

Computer, commonly known as computer, is a modern electronic computing machine used for high-speed calculations. It can perform numerical calculations, logical calculations, and also has storage and memory functions. It is a modern intelligent electronic device that can run according to the program and process massive data automatically and at high speed.

According to the main physical devices used in computers, the development of computers is divided into four generations:

  • 1st generation: tube digital machine (1946-1958)

  • 2nd Generation: Transistor Digital Machine (1958-1964)

  • 3rd Generation: Integrated Circuit Digital Machine (1964-1970)

  • 4th Generation: Large Scale Integrated Circuit Computer (1970 to present)

The current computer is the fourth generation: Large Scale Integrated Circuit Computer .

The fourth generation electronic computer

The fourth generation electronic computer uses large-scale and ultra-large-scale integrated circuits as basic electronic components.

In terms of hardware, logic components use large-scale and very large-scale integrated circuits (LSI and VLSI). In terms of software, database management systems, network management systems and object-oriented languages ​​have emerged. In 1971, the world's first microprocessor was born in Silicon Valley, USA, ushering in a new era of microcomputers. The application fields are gradually moving from scientific computing, transaction management, and process control to the home.

Due to the development of integration technology, semiconductor chips are more integrated. Each chip can accommodate tens of thousands or even millions of transistors, and the arithmetic units and controllers can be concentrated on one chip, thus Microprocessors appeared, and microprocessors and large-scale and very large-scale integrated circuits can be assembled into microcomputers, which are what we often call microcomputers or PCs. Microcomputers are small, cheap, and easy to use, but their functions and computing speed have reached or even exceeded those of large computers in the past. On the other hand, various logic chips manufactured by large-scale and ultra-large-scale integrated circuits have been used to create supercomputers that are not very large in size but can operate at a speed of 100 million or even billions of operations. After our country successfully developed the Galaxy I supercomputer that can perform 100 million operations per second in 1983, it also successfully developed the Galaxy II general-purpose parallel supercomputer that can perform one billion operations per second in 1993. This period also produced a new generation of programming languages, database management systems, and network software.

With the changes in physical components and devices, not only the computer host has undergone upgrading, but its external devices are also constantly changing. For example, external memory has developed from the initial cathode ray display tube to magnetic cores and magnetic drums, and later to general-purpose magnetic disks. Nowadays, smaller, larger, and faster compact discs (CD-ROMs) have appeared. ).

Another important branch of the fourth generation of computers is microprocessors and microcomputers developed based on large-scale and very large-scale integrated circuits.

Four stages

  • The first stage is from 1971 to 1973, with microprocessors including 4004, 4040 and 8008. In 1971, Intel developed the MCS4 microcomputer (CPU 4040, four-bit machine). Later, the MCS-8 model with 8008 as the core was launched.

  • The second stage is from 1973 to 1977, the development and improvement stage of microcomputers. Microprocessors include 8080, 8085, M6800, and Z80. The initial product is Intel's MCS-80 (CPU is 8080, eight-bit machine). Later, there were TRS-80 type (CPU is Z80) and APPLE-II type (CPU is 6502), which were once popular in the world in the early 1980s.

  • The third stage is from 1978 to 1983, the development stage of sixteen-bit microcomputers. Microprocessors include 8086, 8088, 80186, 80286, M68000, and Z8000. The representative product of microcomputer is IBM-PC (CPU is 8086). The pinnacle products of this stage were APPLE's Macintosh (1984) and IBM's PC/AT286 (1986) microcomputers.

  • The fourth stage is the development stage of 32-bit microcomputers starting from 1983. Microprocessors have successively launched 80386 and 80486. 386 and 486 microcomputers are initial products. In 1993, Intel introduced the Pentium or P5 (Chinese translation as "Pentium") microprocessor, which has a 64-bit internal data channel. The Pentium III (also known as P7) microprocessor has become a mainstream product, and the Pentium IV was launched in October 2000.

    It can be seen that the performance of a microcomputer mainly depends on the performance of its core device - the microprocessor (CPU).

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