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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 output.
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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.” 相关考题
考题
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 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
考题
The ratio of output response to a specified change in the input is known as ______.A.primary feedbackB.sensitivityC.deviationD.dead band
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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.
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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
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考题
什么是RSRP？（）A、The received power on the resource elements that carry cell-specific reference signalsB、wideband powerC、N times the Reference Signal Received Power divided by the total received power in the channel bandwidthD、Signal to Interference plus Noise Ratio
考题
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 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
考题
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.
考题
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.
考题
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.
考题
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 ManagerB、IBM Active Energy ManagerC、IBM Remote Deployment ManagerD、IBM Virtualization Manager
考题
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 ManagerB、PowerVM Energy ManagerC、Power and Energy ManagerD、Thermal and Energy Manager
考题
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.
考题
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.
考题
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.
考题
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.
考题
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 motorB
directing the motor output flow through a bypass lineC
maintaining a constant flow and pressure inputD
controlling the input flow rate
考题
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.
考题
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.
考题
单选题什么是RSRP？（）A
The received power on the resource elements that carry cell-specific reference signalsB
wideband powerC
N times the Reference Signal Received Power divided by the total received power in the channel bandwidthD
Signal to Interference plus Noise Ratio
考题
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 ManagerB
IBM Active Energy ManagerC
IBM Remote Deployment ManagerD
IBM Virtualization Manager
考题
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.
考题
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 laptopB
Toggle FN key and external monitor keyC
Try a different monitor typeD
Try using a different monitor cable
考题
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 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
考题
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.
考题
单选题The ratio of output response to a specified change in the input is known as（）A
primary feedbackB
deviationC
sensitivityD
dead band
考题
单选题The term （） refers to one complete sequence of operations required to produce power in an engine.A
diesel engineB
strokeC
cycleD
compression ratio
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