Functional modules that are generally provided on 8.5 inch×11 inch (215.9mm× 279.4mm) printed-wiring cards by manufacturers. They include: (a)CPU Module; (b) Memory Modules; (c)Interface Modules; (d)Prototyping Cards (blank cards). These cards facilitate development of interface circuits.; 由厂家提供的具有某种功能的功能模块,通常为8.5英寸×11英寸(即215.9mm×279.4 mm)大小的印刷线路板,包括:(1)中央处理机模块;(2)存储器模块;(3)接口模块;(4)原型插 件板(空白的插件板)。供研制接口电路使用。