单选题 A client reports that the laptop is not performing a complete charge of the battery. Which of the following actions should be taken FIRST? ()
Update the BIOS.
Run the battery calibrator.
Reinstall the ACPI drivers.
Replace the power adapter.
单选题 If an external monitor is attached to a laptop and it does not work, which of the following actions should a technician take FIRST?()
Re-install the operating system.
Open and close the cover.
Use the function key to activate the monitor.
Install new software for the keyboard.
单选题 After booting up a new computer, a technician observes that the USB ports are not working with any USB devices. Which of the following should be done FIRST?()
Check the computer to verify that the jumper settings for USB are correct.
Connect the USB devices to a different computer to test the devices.
Buy new USB wires and test USB functionality.
Check the BIOS to verify that USB functionality is enabled.
单选题 Which of the following locations contains the System Restore option in Windows XP?()
Control Panel Administrative tools.
Control Panel Security Center.
System Properties, Start up and Recovery.
Help and support from the Start menu.
单选题 Which of the following modes conserves the most battery power while allowing retrieval of the computing session at a later time?()
Hibernate
Suspend
Standby
Shutdown
单选题 Which of the following steps in the troubleshooting and repair process is MOST effectivereduce redundant effort? ()
Discuss the problem with the user and identify any recent changes.
Identify the root cause of the failure.
Verify the problem resolution.
Document activities and outcomes of repair steps.
单选题 When a user is typing on a laptop the cursor sometimes moves on its own. Which of the following is MOST likely the cause?()
The keyboard driver needs to be updated.
There are conflicting serial ports.
The mouse driver needs to be updated.
The user is brushing the touch pad while typing.
单选题 The error ’invalid boot disk’ means:()
the BIOS settings are incorrect.
there is no floppy disk in the drive.
the computer was unable to make temporary space for the boot process.
the computer was unable to find the information needed to start the boot process.
海南西环高铁于去年底正式开通运营,全球首条环岛高速铁路诞生了。铁路最早出现在()
纵向偏离时,每个车辆转向架所承受的货物重量不得超过货车容许载重量的(),且两转向架承重之差不得大于10t。
采用过户转让的票据多指股票、政府债券和提单等。
周作人散文笔调从容闲逸,别有一种平淡悠远的趣味,其作品《零余者》《写在人生边上》都体现了这种风格。
关于女性输尿管下列哪项是正确的()
中国银行间市场交易商协会(以下简称交易商协会)负责受理企业债务融资工具的发行注册。交易商协会不接受注册的,企业可于( )后重新提交注册文件。
影响横封效果的因素有()
固定资产改良过程发生的变价收入应记入()。
简述脑梗死的治疗原则。
患者输注少白红细胞悬液约1小时时,出现呼吸急促,大汗淋漓,寒战,腰背部剧痛,心前区压迫感,心率120/分钟,呼吸30/分钟,血压75/45mmHg,体温39.8℃。随即出现血红蛋白尿。最可能的临床诊断是()