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processor information system, as long as the words of notebook-specific CPU , will have two frequencies in processor speed column, one is the highest frequency, the frequency of one is now, because the laptop was dedicated CPU can actually run you need to control the CPU operation frequency, which can reduce power

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consumption, while only one desktop CPU frequency display. 3, the LCD screen: beautiful eyes In the purchase, the LCD screen need to note a few places, one dead pixel problem, the second is reaction time, third-grade LCD screen itself. Dead pixel problem is often said that the LCD screen are bright or dark spots. To avoid dead pixels necessary to ensure that each TFT tubes and liquid crystal device is not bad, which is very high on the process requirements. So the state is less than seven the following for qualified products, to test whether there are dead pixels as long as the LCD screen displays a monochrome image, carefully observe whether the particular highlight on it. Furthermore is the reaction time. System response time is the input device receiving the instruction, reflecting the time to display, that is, examine whether there is smear phenomenon.

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The most simple test is to open a particularly long way to the text, hold down the button to scroll down to observe the screen to know. Response time is as short as possible.

First, the laptop brands: Generally can be divided into the following categories: 1) The international brand. Mainly the United States Dell laptop keyboardhp laptop keyboardtoshiba laptop keyboardand Japan, the brands, including IBM, Toshiba (TOSHIBA), DELL, Compaq (COMPAQ), Hewlett-Packard (HP) and so on. Its brand more outstanding product quality, market share is very high, of course, the most expensive price. 2) Taiwan brand. Include Acer (Acer), Asustek (ASUS), Twinhead, Lianbao and so on. Such notebook technology is mature, relatively cheap, people buy very much. 3) domestic brands. There are Lenovo, Founder, purple and so on. As cheap, easy maintenance, more and more user favorite. Second, discuss the main components: 1, the board: the cornerstone of a strong The integration of laptop computers is very high. Some major functions are concentrated on the motherboard, the motherboard determines the performance of a direct machine

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performance. Intel's chip set is the best performance and quality, the price is the most expensive; In addition, the most common is the SIS and ALI chipsets, and low-priced machines generally use two chips, stability is very good, but in performance compared with Intel, there is a considerable gap. 2, CPU: healthy heart If the design from the strict point of view, used in the notebook computer CPU to be "dedicated processor notebook computer", commonly known as "Mo  bileCPU". If the notebook uses desktop CPU, will increase the burden on the cooling system and machine weight. So here I do not recommend buying laptops with desktop processors. So, when we in the purchase be sure to ask whether to adopt a laptop-specific processor. Here to teach you a way to differentiate: the WINDOWSXP system, in the "My Computer" right click select "Properties" to connect a system status bar, status bar has