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USB
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考题
下面的叙述中正确的是______。A．在USB结构中，负责安排USB事务在USB总线上广播的是USB驱动程序B．在USB结构中，负责安排USB事务在USB总线上广播的是USB设备C．在USB结构中，负责安排USB事务在USB总线上广播的是主控制器驱动程序D．在USB结构中，负责安排USB事务在USB总线上广播的是主控制器
考题
下面关于USB的叙述中，错误的是______。A) USB 2.0的数据传输速率高于USB 1.1B) USB集线器可为多个USB设备提供连接点C) USB支持即插即用D) USB 2.0采用4芯片电缆，其中2根用于以差分方式发送数据，2根用于接收数据A．B．C．D．
考题
以下关于USB接口的叙述中，不正确的是(16)。A.通过USB接口可以给某些手机充电B.通过USB接口可以连接USB集线器，提供更多USB接口C.通过USB接口可以连接移动硬盘D.通过USB接口可以扩展内存
考题
Which of the following is an advantage that a USB mouse has over a PS/2 mouse?（）A、A USB mouse uses less powerB、A USB mouse is more portableC、A USB mouse is hot swappableD、A USB mouse is more secure
考题
USB经历了1.0、1.1、2.0及3.0等版本，各版本的最大数据传输速率不同，其中最大数据传输速率为5Gbps的USB版本是（）。A、USB1.0B、USB1.1C、USB2.0D、USB3.0
考题
USB接口是由Compag、IBM、Intel、Microsoft和NEC等公司共同开发的一种I/O接口，在下列有关USB接口的叙述中，错误的是（）A、USB接口是一种串行接口，USB对应的中文为"通用串行总线"B、USB2.0的数据传输速率比USB1.1快很多C、利用"USB集线器"，一个USB接口最多只能连接63个USB设备D、USB既可以连接硬盘、闪存等快速设备，也可以连接鼠标、打印机等慢速设备
考题
下列有关USB接口的说法错误的是（）A、USB接口只能连接键盘鼠标B、USB接口是串行接口标准，是现行鼠标接口中传输速率最快的C、USB接口可以连接多个USB设备D、USB接口支持热插拔
考题
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？（）A、Check the computer to verify that the jumper settings for USB are correct.B、Connect the USB devices to a different computer to test the devices.C、Buy new USB wires and test USB functionality.D、Check the BIOS to verify that USB functionality is enabled.
考题
一名技术员插入USB闪存驱动器到USB集线器，收到该设备可以执行得更快的信息。技术员然后删除该设备，并插入到计算机的USB端口上，这次并没有收到这个讯息。以下哪项是可能的原因呢？（）A、USB集线器从计算机上拔掉B、USB设备需要更新的驱动程序C、USB集线器是被动枢纽D、USB集线器是USB1.1，而该设备是USB2.0
考题
You install 10 USB tablets on 10 Windows 2000 Professional computers with built-in USB controllers. After installing the tablet software， you notice that the tablets cannot communicate with the computers. What must you do to recover from this problem？（）A、Enable the USB root hub controller and reinstall the USB tablet device drivers.B、Disable USB error detection for the USB root hub controller and enable the USB tablet within the Device Manager.C、Reinstall the USB device drivers and disable USB error detection.D、Enable the USB ports in the BIOS and reinstall the USB tablet device drivers.
考题
单选题Which of the following is an advantage that a USB mouse has over a PS/2 mouse?（）A
A USB mouse uses less powerB
A USB mouse is more portableC
A USB mouse is hot swappableD
A USB mouse is more secure
考题
单选题You are the administrator of your company’s network. You install Windows 2000 Professional on 10 computers in the graphics department. The 10 computers have built in USB controllers. You physically install a USB tablet pointing device on each computer. You install the 32-bit manufacturer tablets software on each computer. A tablet icon appears in the central panel to configure the device but the device does not work. You want the USB tablets to work on 10 computers. What should you do?（）A
Enable the USB ports in the BIOS and reinstall the USB tablet device drivers.B
Enable the USB root hub controller and reinstall the USB tablet device drivers.C
Disable the USB error detection for the USB root hub controller and enable the USB tablet device in the hardware profile.D
Reinstall the USB device drivers and disable the USB error detection.
考题
单选题You have a computer running Windows 2000 Professional. You have purchased a new USB scanner. You attached it to the USB port. When you go to device manager to see the status of the USB port， you did not find any USB controller there. What should you do to resolve this problem？（）A
Update the scanner drivers using certified driversB
Enable the USB port in the computers BIOSC
Enable the USB hub controller in device manager.D
Reinstall the USB device driver and disable the USB error detection
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