AT总线标准是由()公司最早提出的 ["Intel","HP","DEC","IBM"]
()计量单位是我国的法定计量单位。 ["A、米","B、加仑","C、吨","D、公顷"]
影响气化废热锅炉产汽量的因素有()。 ["工艺气流量","工艺气温度","废热锅炉上水流量","激冷水流量"]
I/O总线用于CPU与除()之外的其他部件的连接 ["RAM","显示卡","硬盘","主板芯片组"]
微型计算机主板上的系统总线一般都是根据特定类型的()设计的 ["主板","CPU","内存","芯片组"]
各种信号灯的显示意义是什么?