A laptop operates on battery power when connected with an AC adapter. Once the battery discharges, the computer turns off and will not turn back on. Which of the following are the MOST likely causes of the laptop issue? （）(Select TWO).A、The LCD monitor’s

题目

A laptop operates on battery power when connected with an AC adapter. Once the battery discharges, the computer turns off and will not turn back on. Which of the following are the MOST likely causes of the laptop issue? （）(Select TWO).

  • A、The LCD monitor’s power inverter does not function properly.
  • B、The operating system’s power settings prevent the battery from charging.
  • C、The battery is not compatible with the laptop.
  • D、The internal power connection on the motherboard is faulty.
  • E、The power adapter is not working.
相似考题

1.若有代数式（其中e仅代表自然对数的底数，不是变量），则以下能够正确表示该代数式的C语言表达式是（ ）。A．sqrt（abs（n^x+e^x））B．sqrt（fabs（pow（n,x）+pow（x,e）））C．sqrt（fabs（pow（n,x）+exp（x）））D．sqrt（fabs（pow（x,n）+exp（x）））

2.下面程序的运行结果是( )。 define POW(r)r*r main() {int x=2，y=3，t； t=POW(x+y)； printf("%d\n"，t)； }

3.下列程序的运行结果是______。define POW(r)(r)*?main(){ int x=3,y=2,t；t=POW(x+y)；printf("%d\n",t)；}

4.下列程序的运行结果是( )。 Publicclasssun { Publicstaticvoidmain(Stringargs[]) { intx=4，y=0； if(Math.pow(x,2)=16) y=X； if(Math.pow(x,2)＜15) y=1/x if(Math.pow(x，2)＞15) y=(int)Math.pow(x92)+1； system,out.println(y)； } }A．4B．17C．18D．0.25

更多“A laptop operates on battery pow”相关问题

  • 第1题：

    Which of the following laptop hardware components requires a re－soldering process in order toreplace properly?()

    A. Mini PCIe wireless card

    B. Heat sink

    C. DC jack

    D. Li-Ion battery


    参考答案：C

  • 第2题：

    下列程序的运行结果是（ ）。 Public class sun { Public static void main(String args[]) { int x=4，y=0； if(Math．pow(X，2)= =16) y—x ； if(Math．pow(X，2)<15) y—l／x； if(Math．pow(X，2)>15) y=(int)Math．pow(X，2)+1； system．out．println(y)； } }

    A.4

    B.17

    C.18

    D.0．25


    正确答案：B
    B。【解析】本题是考查对if-else分支结构和几个标准函数的理解。pow(x，y)方法是X的Y次幂，程序中pow(x，2)满足第1个if语句和第3个if语句，条件变量y将被赋值两次，但对于同一个变量来说，只能存储最后一个所赋的值。

  • 第3题：

    为了延长连续2次功控的时间,可以调整下列()参数。

    A.MAX_POW_RED

    B.MAX_POW_INC

    C.BS_P_CON_INT

    D.POW_RED_STEP_SIZE


    参考答案：C

  • 第4题：

    A user has purchased a laptop that has no means to charge the battery. Which of the followingwould the user MOST likely purchase?（）

    • A、USB cable
    • B、AC adapter
    • C、PCMCIA card
    • D、Replacement battery

    正确答案:B

  • 第5题：

    为了延长连续2次功控的时间，可以调整下列（）参数。

    • A、MAX_POW_RED
    • B、MAX_POW_INC
    • C、BS_P_CON_INT
    • D、POW_RED_STEP_SIZE

    正确答案:C

  • 第6题：

    Which of the following utilities would be used to configure energy saving measures when a laptop switches to battery power?（）

    • A、MSTSC
    • B、ACPI
    • C、GDI
    • D、MSCONFIG

    正确答案:B

  • 第7题：

    Which of the following laptop hardware components requires a re-soldering process in order toreplace properly?（）

    • A、Mini PCIe wireless card
    • B、Heat sink
    • C、DC jack
    • D、Li-Ion battery

    正确答案:C

  • 第8题：

    When replacing a laptop keyboard, the FIRST thing that Bob, a technician, should do is remove:（）

    • A、the battery.
    • B、the memory cover and memory sticks giving access to the screws holding the keyboard in place.
    • C、the top bezel covering the screws holding the keyboard in place.
    • D、the AC power.

    正确答案:D

  • 第9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？ （）

    • A、Update the BIOS.
    • B、Run the battery calibrator.
    • C、Reinstall the ACPI drivers.
    • D、Replace the power adapter.

    正确答案:B

  • 第10题：

    Bob is going on a trip with his laptop configured with Windows 2000 Professional. He is concerned that he will run out of battery life and his system will crash. He asks you to configure the power savings feature so that when he is not using his laptop, it will save his work and power down. You go into Advanced Power Management options. What should you do next?（）

    • A、Set the system to hibernation mode to 15 minutes.
    • B、Set the system to snooze mode after 15 minutes.
    • C、Max Battery
    • D、Presentation
    • E、Minimal Power Management

    正确答案:A

  • 第11题：

    多选题
    A laptop operates on battery power when connected with an AC adapter. Once the battery discharges, the computer turns off and will not turn back on. Which of the following are the MOST likely causes of the laptop issue? （）(Select TWO).
    A

    The LCD monitor’s power inverter does not function properly.

    B

    The operating system’s power settings prevent the battery from charging.

    C

    The battery is not compatible with the laptop.

    D

    The internal power connection on the motherboard is faulty.

    E

    The power adapter is not working.


    正确答案： A,B
    解析： 暂无解析

  • 第12题：

    单选题
    为了延长连续2次功控的时间，可以调整下列（）参数。
    A

    MAX_POW_RED

    B

    MAX_POW_INC

    C

    BS_P_CON_INT

    D

    POW_RED_STEP_SIZE


    正确答案： A
    解析： 暂无解析

  • 第13题：

    Which of the following is a common location of the CMOS battery in a laptop?()

    A. Under the keyboard

    B. Behind the removable hard drive

    C. Under the removable CD drive

    D. Behind the laptop battery


    参考答案：A

  • 第14题：

    pow(2,pow(3,2))的运行结果为?

    A.9

    B.8

    C.81

    D.512


    正确答案：D

  • 第15题：

    A user reports that they walked away from their laptop for 30 minutes and when they came backthe screen was very dim. The user tried moving the mouse and increasing the brightness setting,but neither worked. Which of the following should the technician do FIRST?（）

    • A、Plug in an external monitor to test the video card.
    • B、Run a check disk scan to verify there is no corruption.
    • C、Check if the laptop is now on battery power.
    • D、Have the LCD screen replaced with a known good screen.

    正确答案:C

  • 第16题：

    功率控制步长将受到以下哪些参数的影响（）

    • A、MAX_POW_INC
    • B、MAX_POW_RED
    • C、BS_TXPWR_MAX
    • D、MS_TXPWR_MIN

    正确答案:A,B,C,D

  • 第17题：

    Which of the following is a common location of the CMOS battery in a laptop?（）

    • A、Under the keyboard
    • B、Behind the removable hard drive
    • C、Under the removable CD drive
    • D、Behind the laptop battery

    正确答案:A

  • 第18题：

    Which of the following would be the correct way to dispose of a laptop battery？ （）

    • A、Place the battery on a shelf for storage.
    • B、Place the battery in a trash compactor separately from the laptop.
    • C、Dispose of the battery in the same manner as the laptop.
    • D、Refer to the disposal information located on the battery.

    正确答案:D

  • 第19题：

    A user reports that their cell phone battery is dead and cannot hold a charge. Which of the following should be done when disposing of the old battery？（）

    • A、Recycle the battery.
    • B、Store the battery.
    • C、Place battery in a sealed plastic bag.
    • D、Disassemble the battery.

    正确答案:A

  • 第20题：

    A technician receives a laptop that is running out of battery power more quickly than expected.Which of the following can the technician do to correct the problem？ （）

    • A、Note on the work order that the laptop is losing battery capabilities and the laptop must be replaced.
    • B、Replace the battery by purchasing a new battery from the manufacturer.
    • C、Stop using the battery and use alternating current （AC） power for the laptop.
    • D、Replace the AC adaptor by purchasing a new adapter from the manufacturer.

    正确答案:B

  • 第21题：

    Which of the following should be checked FIRST if the laptop’s fan continuously goes full speed?（）

    • A、Dust buildup
    • B、AC adapter
    • C、Battery temperature
    • D、Fragmentation

    正确答案:A

  • 第22题：

    单选题
    When replacing a laptop keyboard, the FIRST thing that Bob, a technician, should do is remove:（）
    A

    the battery.

    B

    the memory cover and memory sticks giving access to the screws holding the keyboard in place.

    C

    the top bezel covering the screws holding the keyboard in place.

    D

    the AC power.


    正确答案： D
    解析： 暂无解析

  • 第23题：

    多选题
    功率控制步长将受到以下哪些参数的影响（）
    A

    MAX_POW_INC

    B

    MAX_POW_RED

    C

    BS_TXPWR_MAX

    D

    MS_TXPWR_MIN


    正确答案： A,B,C,D
    解析： 暂无解析

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