【正文】 ence. 2, from the popularity of the radio era to era of electronic technology The early radio technology to promote the development of electronic technology, most notably electronic vacuum tube technology to semiconductor electronic technology. Semiconductor technology to realize the active device miniaturization and low cost, so more popular with radio technology and innovation, and to greatly broaden the number of nonradiocontrol areas. The development of semiconductor technology lead to the production of integrated circuit, forming the modern electronic technology leap from discrete electronics into the era of era of integrated circuits. Electronic design engineers no longer use the discrete electronic ponents designed circuit modules, and direct selection of integrated circuit ponents constitute a single system. They freed the design of the circuit unit dedicated to system design, greatly liberating the productive forces of science and technology, promote the wider spread of electronic systems. Semiconductor integrated circuits in the basic digital logic circuits first large number of digital logic circuits, such as gates, counters, timers, shift registers, and analog switches, parators, etc., for the electronic digital control provides excellent conditions for the traditional mechanical control to electronic control. Power electronic devices and sensor technology to make the original to the radio as the center of electronic technology turned to mechanical engineering in the field of digital control systems, testing in the field of information collection, movement of electrical mechanical servo drive control object. Semiconductor and integrated circuit technology will bring us a universal age of electronic technology, wireless technology as the field of electronic technology a part of. 70 years into the 20th century, large scale integrated circuit appeared to promote the conventional electronic circuit unitspecific electronic systems development. Many electronic systems unit into a dedicated integrated devices such as radios, electronic clocks, calculators, electronic engineers in these areas from the circuit, the system designed to debug into the device selection, peripheral device adapter work. Electronic technology, and electronic products enriched, electronic engineers to reduce the difficulty, but at the same time, radio technology, electronic technology has weakened the charm. The development of semiconductor integrated circuits classical electronic systems are maturing, remain in the large scale integrated circuit other thanthe shrinking of electronic technology, electronic technology is not the old days of radio fun times and prehensive engineering training. 3, from the classic era of electronic technology to modern electronic technology of the times 80 years into the 20th century, the century of economic change is the most important revolution in the puter. The puter revolution in the most important sign is the birth of the puter embedded applications. Modern puter numerical requirements should be born. A long period of time, is to develop the massive puter numerical duty. But the puter shows the logic operation, processing, control, attracting experts in the field of electronic control, they want development to meet the control object requirements of embedded applications, puter systems. If you meet the massive dataprocessing puter system known as generalpurpose puter system, then the system can be the embedded object (such as ships, aircraft, motorcycles, etc.) in a puter system called the embedded puter. Clearly, both the direction of technology development are diffe