从PC的整个应用历史来看，经过25年的发展，PC的概念已经出现了非常大的变化。早期，PC作为一个高端的计算工具，没有多少人能够使用得起，这个阶段，由于销售量很小，销售的工作只能由制造商承担。 近10年时间，随着计算机技术的高速发展，制造商已经没有精力和必要完全由自己 From the PC’s entire application history point of view, after 25 years of development, the concept of PC has undergone a very big change. In the early days, PC as a high-end computing tool, not many people can afford to use this stage, due to small sales, sales work can only be borne by the manufacturer. Nearly 10 years, with the rapid development of computer technology, manufacturers have no energy and necessary entirely by themselves