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LCD
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考题
下面关于LCD显示设备的叙述中，错误的是（）。A.LCD显示屏自身不带控制器，没有驱动电路，仅仅是显示器件，价格最低B.LCD显示模块内置LCD显示屏、控制器和驱动模块，有字符型、有图形点阵型等C.PC机通常使用的是LCD显示器，除具备显示屏外，还包括驱动器、控制器以及外壳等，是完整的LCD显示设备D.DVI（Digital Visual Interface）是一种LCD控制器的标准
考题
result=(bool)(P0 这一句怎么该怎么解释
boollcd_bz(){//测lcd是否忙碌boolresult;lcd_rs=0;lcd_rw=1;lcd_en=1;_nop_();_nop_();_nop_();_nop_();result=(bool)(P0lcd_en=0;returnresult;}
考题
Whichofthefollowingneedstoberecycledduetodangerousamountsofgascontainedinsideitshousing?()
A.CRTB.TonerC.SurgesuppressorD.LCD
考题
Which of the following statements about an LCD screen is not true?()
A. An LCD screen consumes more power than a CRT screen.B. An LCD screen display may present high-quality images but only to viewers sitting directly in fron of the screen.C. Currently, all laptops use LCD screens.D. An LCD screen is considerably more expensive than a CRT screen.
考题
Asystemadministratorwantstoperformsomesystemmaintenance.TheAIXinstallationCDisintheCDROMdrive，howeverthesystemwillnotbootfromtheCD.WhichcommandwillassistindeterminingiftheCDROMdriveiscurrentlyabootabledevice？（）A.lscfg-lcd0-vB.bootlist-mservice-oC.bosboot-a-d/dev/cd0D.chdev-lcd0-aboot=yes
考题
B320采用的是LED顶级屏,较原有LCD有哪些优势()。
A.拥有1600万种颜色，是传统LCD色彩区域的1.4倍；预热速度快，色彩表现力强，传统LCD色彩表现仅为LED的70%B.拥有1600万种颜色，是传统LCD色彩区域的1倍；预热速度快，色彩表现力强，传统LCD色彩表现仅为LED的70%C.拥有1600万种颜色，是传统LCD色彩区域的2倍；预热速度快，色彩表现力强，传统LCD色彩表现仅为LED的70%D.拥有1200万种颜色，是传统LCD色彩区域的1.4倍；预热速度快，色彩表现力强，传统LCD色彩表现仅为LED的60%
考题
A customer, Jill, has a dim image on her internal LCD panel, but when connecting to an external display, the image is fine. Which of the following is MOST likely the cause?（）A、InverterB、LCD cableC、LCD panelD、System I/O
考题
During boot up， a laptop screen displays vertical colored lines and then the LCD screen goes blank. There are no display problems when connected to an external monitor. Which of the following actions should be taken to resolve the problem？ （）A、Replace the laptop.B、Replace the LCD screen.C、Replace the LCD pixels.D、Re-select the LCD in Device Manager.
考题
单选题Which of the following statements about an LCD screen is not true?（）A
An LCD screen consumes more power than a CRT screen.B
An LCD screen display may present high-quality images but only to viewers sitting directly in fron of the screen.C
Currently, all laptops use LCD screens.D
An LCD screen is considerably more expensive than a CRT screen.
考题
单选题当一台LCD显示器屏故障时，大多采用的维修方法是（）。A
更换信号线B
更换LCD屏C
给LCD屏消磁D
更换主机
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