小型计算机是一种程序存贮和程序控制的数字计算机。它具有体积小、价格便宜、接口架接灵活和性能价格比高、维护使用方便等优点,因而深受广大用户的欢迎。 小型计算机系统由中央处理机、存贮器和输入输出系统构成,其组织系统就标志着机器的结构特性。小型机系统结构可由总线结构和数据通路、处理机结构、存贮器系统和输入输出系统组成。 Small computer is a digital computer program storage and program control. It has the advantages of small size, cheap price, flexible connection interface and high performance-price ratio, convenient for maintenance and so on, so it is deeply welcomed by customers. Small computer systems by the central processing unit, storage and input and output system, its organizational system marks the structural characteristics of the machine. Minicomputer system structure by the bus structure and data path, processor structure, memory system and input and output system.