System requirements: 1 GHz processor 256 MB RAM 500MB hard drive space Graphics card with at least 32 MB video memory Minimum resolution of 800 x 600 pixels 16-bit color settings

声明一个简单的computer类，有数据成员芯片(cpu)、内存(ram)、光驱(cdrom)等等，有两个公有成员函数run、stop。cpu为CPU类的一个对象，ram为RAM类的一个对象，cdrom为CDROM类的一个对象，声明并实现这个类。-Declare a simple computer class, the data members of the chips (CPU), memory (ram), CD-ROM drive (cdrom), two public member fu