【判断题】【消耗次数:1】
软盘处于写保护状态,是指软盘内的数据只能写入不能读出的状态。
正确
错误
参考答案:
复制
纠错
相关题目
【判断题】 CPU对RAM只能读不能写。
①  正确
②  错误
【判断题】 目前所有的光盘驱动器只能读而不能写。 ( )
①  正确
②  错误
【判断题】 如果事务T获得了数据项Q上的排它锁,则T对Q只能读不能写。
①  正确
②  错误
【单选题】 硬盘与软盘比较,哪个说法不正确
①  硬盘存储量大
②  软盘存取速度快
③  软盘是移动的存储器,硬盘固定在主机内,无法移动
④  断电后,信息都不会丢失
【单选题】 软盘磁道的编号是()依次增大的。
①  从外向内
②  从内向外
③  从中间向外
④  从两边向中间
【判断题】 新闻要反映新鲜的事实,不能写入陈旧的东西。
①  正确
②  错误
【单选题】 文件的存取控制属性中,只读的含义是指该文件只能读而不能____。
①  修改
②  删除
③  复制
④  移动
【单选题】 生产过程处于稳定状态,指()。
①  产品质量没有波动
②  消除了偶然因素的影响
③  消除了系统因素的影响
【单选题】 软盘的第()磁道一旦损坏,该盘就不能使用了。
①  0
②  1
③  39
④  40
【判断题】 软盘的最小存储单位是扇区,硬盘的最小存储单位是簇。( )
①  正确
②  错误
随机题目
【单选题】 Nowadays, many people suffer from _________ depression under the pressure of working.
①  acute
②  sharp
③  quick
④  cute
【单选题】 Something must have happened on their way. Or they_____ by now.
①  should have arrived
②  should arrive
③  would have arrived
④  would arrive
【单选题】 The treasury issued an order stating that ____ land purchased from the government had to be paid for in gold and silver.
①  henceforth
②  moreover
③  whereby
④  however
【单选题】 If a substance is dissolved in water or heated, it may ____ a gas.
①  give into
②  give over
③  give off
④  give away
【单选题】 A(n)____ person is one who has much knowledge and the ability to use it well.
①  smart
②  intelligent
③  clever
④  wise
【单选题】 The actress wanted a hat to ____ her dress.
①  go by
②  go through
③  go out
④  go with
【单选题】 Twenty-year-olds should not _____ to drive in China.
①  allow
②  be allow
③  be allowed
④  allowed
【单选题】 Our teacher recommended that we ____ as attentive as possible when we visit the museum.
①  are
②  shall be
③  be
④  were
【单选题】 A good newspaper published both ____ and foreign news.
①  civil
②  domestic
③  democratic
④  national
【单选题】 She dares to go alone, _____?
①  does she
②  dares she
③  doesn’ t she
④  daren’ t she