在具有PCI总线的奔腾机中,二级Cache存储器经常通过Cache控制器挂在( )上 发布时间:2017-12-30 06:16 │ 来源:www.tikuol.com 题型:单项选择题 问题: 在具有PCI总线的奔腾机中,二级Cache存储器经常通过Cache控制器挂在( )上。A.ISA总线(AT总线)B.CPU局部总线C.PCI总线D.EISA总线
题型:单项选择题 女性,30岁,常感低热、乏力,近一周明显腹痛、腹胀,大便不规律。查:心肺阴性,腹膨隆,移动性浊音阳性。实验室检查血沉30mm/h,腹水为黄色渗出液,分类淋巴细胞90%。该患者最大可能是()。A.结核性腹膜炎B.肝硬化腹水C.腹膜转移癌D.胃癌E.多发性浆膜炎 查看答案
题型:单项选择题 During a 3-year period, the profits of Company X changed by what percent from the second year to the third year ?() (1)The increase in profits of Company X from the first year to the second year was the same as the increase from the first year to the third year. (2)For Company X, the profits for the first year were $13,800 and the profits for the third year were $15,900.A.条件(1)充分,但条件(2)不充分.B.条件(2)充分,但条件(1)不充分.C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.D.条件(1)充分,条件(2)也充分.E.条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分. 查看答案
题型:单项选择题 设有图书管理数据库:图书(总编号C(6),分类号C(8),书名C(16),作者C(6),出版单位C(20),单价N(6,2))读者(借书证号C(4),单位C(8),姓名C(6),性别C(2),职称C(6),地址C(20))借阅(借书证号C(4),总编号C(6),借书日期D(8))对于图书管理数据库,查询0002号借书证的读者姓名和所借图书的总价值。下面SQL语句正确的是______。SELECT 姓名,SUM(单价) FROM 图书,读者 WHERE;借书证号="0002"AND;A.总编号IN (SELECT 总编号 FROM 借阅 WHERE 借书证号="0002")B.总编号 NOT IN (SELECT 总编号 FROM 借阅 WHERE 借书证号="0002")C.总编号=(SELECT 总编号 FROM 借阅 WHERE 借书证号="0002")D.WHERE 借书证号="0002" 查看答案