开机时往往会出现“嘀”一声短鸣,说明() ["A.机器硬件出现故障","B.机器通过硬件检测,一切正常","C.软件有问题,不能正常启动","D.内存条或显卡没插好"]
开机后,无法正引导,在DOS下屏幕显示“0trackbad”指() ["系统坏不能正常启动","硬盘没有连接正确","软驱的0磁道坏","硬盘的0磁道损坏"]
BIOS设置中“Shutdown Temperature”为() ["测试CPU温度","设置CPU关机温度","显示CPU当前温度","测试CPU风扇的转速"]
在AWARD公司的BIOS设置中,“Boot Sequence&Floppy setup”项的用途是() ["A.设置计算机起动软驱","B.设置是否检测开机密码","C.设置计算机系统引导顺序","D.以上都不正确"]
HTML中标记和标记有何区别?
简述在网页中插入背景音乐的方法。