486兼容机价格差异的原因及购买原则（国外英文资料）.docVIP

486兼容机价格差异的原因及购买原则（国外英文资料） The reason of the price difference and the purchase principle Yang shenghao of tsinghua university The 1995-04-07 Is also 486 DX2/66 compatibles 14 m memory, 540 MB of hard disk, why do some selling for 10000 yuan, 7500 yuan and some can be home, why dont buy the latter than the former value? In zhongguancun, the author, in order to own a lot of first-hand information and valuable experience, and reveals the inner reasons for the gap phenomenon, and puts forward a set of feasible purchase principle. The 486DX on the market now has a wide variety of variety, and people have a lot of choice. However, due to the uneven quality of many products, there are some difficulties in the choice of purchasing machine. Configuration on the surface, for example, the same 486 dx2/66 (4 m memory, 540 MB of hard disk, colorful display), some were priced at ten thousand yuan, and some only sell seven thousand five hundred yuan, dont buy the latter is more value than the former? The answer is no. Also, the configuration mentioned above is a combination of different components, which can vary in price by several thousand yuan. So when we buy a machine, it should be taken into consideration, according to the economy, at the lowest price, we can buy better suitable products. The hardware that should pay attention to when buying machine mainly has CPU, motherboard, memory bar, display card, multifunction card, hard disk, floppy drive, display and case and power supply. Of course, it is difficult to be, can according to the comprehensive evaluation of performance price, choose high cost performance and good after-sales service products, limited space, only do some simple introduction. The CPU is the soul of the computer, and the right choice is clearly important. There are three main types of cpus on the market: INTEL, AMD, CYRIX, and prices vary widely. CYRIX, for example, is more than 500 yuan cheaper than INTEL (both in real terms). False INTEL is much cheaper