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2025-03-24 07:55本頁(yè)面
【正文】 ent from those discussed in this chapter. The word lengths may be short, the number of registers small, and the instruction sets limited. Performance, relatively speaking, is poor, but adequate for the task. Most important, the cost of these microcontrollers is very low, making their use cost effective. Because the monolithic integrated circuit to the cost is sensitive, therefore present occupies the dominant status the software is the most preliminary assembly language7 it was except the binary machine code above the most preliminary language, since why were such preliminary must use? Why highlevel did the language already achieve the visualization programming level not to use? The reason is very simple, is the monolithic integrated circuit docs not have home puter such CPU, and also has not looked like the hard disk such mass memory equipment. Inside even if a visualization higher order language pilation script only then a button, also will achieve several dozens K the sizes! Does not speak anything regarding the home use PC hard disk, but says regarding the monolithic integrated circuit cannot accept. The monolithic integrated circuit in the hardware source aspect39。s on operating system and the application software home use PC to e up the movement, home use PC could also not withstand. It can be said that the 20th century surmounted three the electricity the time, namely the electrical time, the Electronic Age and already entered puter time. However, this kind of puter, usually refers to the personal put
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