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单选题The contrast ratio for an LCD monitor is BEST defined as the ratio between:（）A display resolution and brightness.B power consumption and output intensity.C power savings of a comparable crt monitor and the lcd.D the darkest and lightest displayed outpu

题目
单选题
The contrast ratio for an LCD monitor is BEST defined as the ratio between:（）
A

display resolution and brightness.

B

power consumption and output intensity.

C

power savings of a comparable crt monitor and the lcd.

D

the darkest and lightest displayed output.

相似考题

1.接入信道中,导频信道的开环输出功率为mean pilot channel output power,数据信道的开环输出功率为meandatachanneloutputpower,则接入信导前缀中的导频信道输出功率为()A.mean pilot channel output power-mean data channel output powerB.mean pilot channel output power+mean data channel output powerC.mean pilot channel output power-0.5*mean data channel output powerD.mean pilot channel output power+0.5*mean data channel output power

2.A technician replaces a user’s 15 inch LCD with a 20 inch LCD. Later, the user informs thetechnician that icons are very large and the text on the monitor is fuzzy and distorted. Which of the following is MOST likely the cause?（）A、The contrast setting needs to be raised from the default.B、The monitor firmware was not updated.C、The new monitor has a different native resolution.D、The monitor needs to be degaussed to clarify the picture.

3.A user would like to use an external monitor with their laptop, but when the monitor is plugged in and connected to the laptop, the screen does not display on the monitor. Which of the following is the BEST way to display an image on both the monitor and the laptop?（）A、Change resolution on laptopB、Toggle FN key and external monitor keyC、Try a different monitor typeD、Try using a different monitor cable

4.The ratio of output response to a specified change in the input is known as ______.A.primary feedbackB.sensitivityC.deviationD.dead band

更多“单选题The contrast ratio for an LCD monitor is BEST defined as the ratio between:（）A display resolution and brightness.B power consumption and output intensity.C power savings of a comparablecrt monitor and the lcd.D the darkest and lightest displayed output”相关问题

  • 第1题：

    Which of the following is a compelling reason to deploy IBM Systems Director Active Energy Manager (AEM) in a data center with high energy utilization?（）

    • A、Removes the requirement for Intelligent PDUs
    • B、Monitor and balance disk speeds according to utilization needs
    • C、Is a required element for EnergyStar certification of the server/data center
    • D、Monitor and report power and thermal trending to optimize energy consumption

    正确答案:D

  • 第2题：

    接入信道中，导频信道的开环输出功率为mean pilot channel output power，数据信道的开环输出功率为meandatachanneloutputpower，则接入信导前缀中的导频信道输出功率为（）

    • A、mean pilot channel output power-mean data channel output power
    • B、mean pilot channel output power+mean data channel output power
    • C、mean pilot channel output power-0.5*mean data channel output power
    • D、mean pilot channel output power+0.5*mean data channel output power

    正确答案:B

  • 第3题：

    The contrast ratio for an LCD monitor is BEST defined as the ratio between:（）

    • A、display resolution and brightness.
    • B、power consumption and output intensity.
    • C、power savings of a comparable crt monitor and the lcd.
    • D、the darkest and lightest displayed output.

    正确答案:D

  • 第4题：

    What is the name of the IBM solution that helps to monitor power consumption to allow better utilization of available power resources？（）

    • A、IBM Capacity Manager
    • B、IBM Active Energy Manager
    • C、IBM Remote Deployment Manager
    • D、IBM Virtualization Manager

    正确答案:B

  • 第5题：

    When you connect an external monitor to your portable computer， the same image appears on both monitors.  You need to drag a window from one monitor to the other.  What should you do？（）

    • A、Change the display setting to extend the desktop.
    • B、In the Microsoft Windows Mobility Center window， turn on the Presentation Settings feature. 
    • C、Configure the external monitor as the primary display and the built-in monitor as the secondary display.
    • D、Change the secondary display resolution settings to make them equal to or less than the primary display resolution settings.

    正确答案:A

  • 第6题：

    单选题
    A technician replaces a user’s 15 inch LCD with a 20 inch LCD. Later, the user informs thetechnician that icons are very large and the text on the monitor is fuzzy and distorted. Which of the following is MOST likely the cause?（）
    A

    The contrast setting needs to be raised from the default.

    B

    The monitor firmware was not updated.

    C

    The new monitor has a different native resolution.

    D

    The monitor needs to be degaussed to clarify the picture.


    正确答案： B
    解析： 暂无解析

  • 第7题：

    单选题
    In a fixed displacement axial piston hydraulic motor, the speed is varied by（）
    A

    regulating the ratio between torque and speed via the torque limiter at the motor

    B

    directing the motor output flow through a bypass line

    C

    maintaining a constant flow and pressure input

    D

    controlling the input flow rate


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    A technician installed a new video card on a motherboard which has onboard video. When the monitor was plugged into the new card and the power was turned on, a no signal message appeared on the monitor. Which of the following is MOST likely the issue?（）
    A

    In the BIOS, the onboard video adapter must be disabled.

    B

    The video resolution is set too high.

    C

    The LCD panel is defective.

    D

    The drivers for the new video card must be installed before installing the card.


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    What is the name of the IBM solution that helps to monitor power consumption to allow better utilization of available power resources？（）
    A

    IBM Capacity Manager

    B

    IBM Active Energy Manager

    C

    IBM Remote Deployment Manager

    D

    IBM Virtualization Manager


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    A user would like to use an external monitor with their laptop, but when the monitor is plugged in and connected to the laptop, the screen does not display on the monitor. Which of the following is the BEST way to display an image on both the monitor and the laptop?（）
    A

    Change resolution on laptop

    B

    Toggle FN key and external monitor key

    C

    Try a different monitor type

    D

    Try using a different monitor cable


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    When you connect an external monitor to your portable computer， the same image appears on both monitors.  You need to drag a window from one monitor to the other.  What should you do？（）
    A

    Change the display setting to extend the desktop.

    B

    In the Microsoft Windows Mobility Center window， turn on the Presentation Settings feature. 

    C

    Configure the external monitor as the primary display and the built-in monitor as the secondary display.

    D

    Change the secondary display resolution settings to make them equal to or less than the primary display resolution settings.


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    The term （） refers to one complete sequence of operations required to produce power in an engine.
    A

    diesel engine

    B

    stroke

    C

    cycle

    D

    compression ratio


    正确答案： A
    解析： 暂无解析

  • 第13题：

    什么是RSRP？（）

    • A、The received power on the resource elements that carry cell-specific reference signals
    • B、wideband power 
    • C、N times the Reference Signal Received Power divided by the total received power in the channel bandwidth 
    • D、Signal to Interference plus Noise Ratio

    正确答案:A

  • 第14题：

    A technician is troubleshooting a monitor displaying a blank screen and the power indicator light ison. Which of the following should the technician do next?（）

    • A、Test the computer with a known-good monitor.
    • B、Check if the monitor is still covered under the manufacturer’s warranty.
    • C、Replace the monitor’s power cord with a known-good power cord.
    • D、Swap out the computer’s video card.

    正确答案:A

  • 第15题：

    A technician has just installed an upgraded graphics card. The computers power turns off before itfinishes booting. Which of the following is the cause of the problem? （）

    • A、The monitor cannot display the increased resolution that is a feature of the new graphics card.
    • B、The power supply does not provide enough wattage to power the new graphics card.
    • C、The new graphics card is incompatible with the existing processor.
    • D、The computer does not have enough RAM to support the new graphics card.

    正确答案:B

  • 第16题：

    A customer wants to monitor energy consumption for all of their IBM systems. What part of the IBM Systems Director family supports this function?（）

    • A、Active Energy Manager
    • B、PowerVM Energy Manager
    • C、Power and Energy Manager
    • D、Thermal and Energy Manager

    正确答案:A

  • 第17题：

    You plan to give an on-site presentation. The external display available for your audience is a 42-inch flat panel monitor.  You need to ensure that the presentation on the monitor of your computer is duplicated on the external monitor for the audience.  What should you do？（）

    • A、Click the Show my desktop on the external display only option.
    • B、Configure the Presentation settings to mirror your desktop on the external display. 
    • C、Configure the Presentation settings to extend your desktop to the external display.
    • D、Reduce the screen resolution of your primary display to a value equal to the maximum resolution of the external display.

    正确答案:B

  • 第18题：

    单选题
    A technician has just installed an upgraded graphics card. The computers power turns off before itfinishes booting. Which of the following is the cause of the problem? （）
    A

    The monitor cannot display the increased resolution that is a feature of the new graphics card.

    B

    The power supply does not provide enough wattage to power the new graphics card.

    C

    The new graphics card is incompatible with the existing processor.

    D

    The computer does not have enough RAM to support the new graphics card.


    正确答案： C
    解析： 暂无解析

  • 第19题：

    单选题
    You plan to give an on-site presentation. The external display available for your audience is a 42-inch flat panel monitor.  You need to ensure that the presentation on the monitor of your computer is duplicated on the external monitor for the audience.  What should you do？（）
    A

    Click the Show my desktop on the external display only option.

    B

    Configure the Presentation settings to mirror your desktop on the external display. 

    C

    Configure the Presentation settings to extend your desktop to the external display.

    D

    Reduce the screen resolution of your primary display to a value equal to the maximum resolution of the external display.


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    什么是RSRP？（）
    A

    The received power on the resource elements that carry cell-specific reference signals

    B

    wideband power 

    C

    N times the Reference Signal Received Power divided by the total received power in the channel bandwidth 

    D

    Signal to Interference plus Noise Ratio


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    A technician is troubleshooting a monitor displaying a blank screen and the power indicator light ison. Which of the following should the technician do next?（）
    A

    Test the computer with a known-good monitor.

    B

    Check if the monitor is still covered under the manufacturer’s warranty.

    C

    Replace the monitor’s power cord with a known-good power cord.

    D

    Swap out the computer’s video card.


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    接入信道中，导频信道的开环输出功率为mean pilot channel output power，数据信道的开环输出功率为meandatachanneloutputpower，则接入信导前缀中的导频信道输出功率为（）
    A

    mean pilot channel output power-mean data channel output power

    B

    mean pilot channel output power+mean data channel output power

    C

    mean pilot channel output power-0.5*mean data channel output power

    D

    mean pilot channel output power+0.5*mean data channel output power


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    The ratio of output response to a specified change in the input is known as（）
    A

    primary feedback

    B

    deviation

    C

    sensitivity

    D

    dead band


    正确答案： D
    解析： 暂无解析

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