A laptop has a non-functioning keyboard. After the keyboard was replaced with a known good one, the technician finds that the keyboard still is not functioning. Which of the following steps should the technician take NEXT?（）A. Replace the motherboard.B. C

题目

A laptop has a non-functioning keyboard. After the keyboard was replaced with a known good one, the technician finds that the keyboard still is not functioning. Which of the following steps should the technician take NEXT?（）

A. Replace the motherboard.

B. Check all connections.

C. Replace the USB controller.

D. Check the PS/2 connector.

相似考题

1.The police warned the children not to __________ the mad man.A.approachB.beyondC.replaceD.enroll

2.The enemy gave up the idea of holding their ground to the end and began to _____.A. retreatB. relayC. replaceD. reclaim

3.He thanked the girl for the wine and _____ again into his silence.A. relaidB. retreatedC. relocatedD. replaced

4.He said that he ______ already _______ the English film.A. has; seenB. has; seeC. had; seen

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  • 第1题：

    He () some difficulty () the book into Japanese.

    A、is, to translate

    B、has, to translate

    C、is, in translating

    D、has, in translating


    参考答案：D

  • 第2题：

    Whichfouraretrue?()

    A.Has-arelationshipsshouldneverbeencapsulated.

    B.Has-arelationshipsshouldbeimplementedusinginheritance.

    C.Has-arelationshipscanbeimplementedusinginstancevariables.

    D.Is-arelationshipscanbeimplementedusingtheextendskeyword.

    E.Is-arelationshipscanbeimplementedusingtheimplementskeyword.

    F.Anarrayoracollectioncanbeusedtoimplementaone-to-manyhas-arelationship.

    G.TherelationshipbetweenMovieandActressisanexampleofanis-arelationship.


    参考答案：C, D, E, F

  • 第3题：

    你有两台计算机分别命名为Laptop1和Computer2.在Laptop1上运行着Windows Vista,Computer2上运行着Windows 7。你想从Laptop1上迁移所有所有用户文件和配置到Computer2上。哪个命令可以用来判断需要多少空间来完成迁移?()

    A.运行Windows轻松迁移并在Laptop1上运行测试

    B.在Computer2上运行dsmigrate\\Laptop1\store/nocompress/p

    C.在Computer2上运行loadstate\\Laptop1\store/nocompress

    D.在Laptop1上运行scanstatec：\store/nocompress/p


    参考答案：D

  • 第4题：

    a language lesson plan usually has the following components: background information, teaching aims, language contents and skills, stages and procedures, teaching aids, assignments and _________.

    ：A. teachers’ after-lesson reflection

    B. students’ after-lesson reflection

    C. teachers’ after-lesson feedback

    D. students’ after-lesson feedback


    正确答案是:A

  • 第5题：

    When William hurried home, he found that his mother ____already ____to hospital.

    A、has; been sent

    B、had; sent

    C、has; sent

    D、had; been sent


    正确答案：D

  • 第6题：

    A PC is a general purpose tool built around a ( ) .

    A.display

    B.microprocessor

    C.mouse

    D.keyboard


    正确答案：B
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