0 Exact answers 0 Text answers 310 Multiple-choice answers Show Which of the following hardware components should be given priority in order to ensure optimal performance of a home server PC? (Select 2 answers) 
Which of the LCD technologies listed below offers the fastest response time? What are the characteristic features of the In-Plane Switching (IPS) LCD panel technology? (Select 3 answers) Which of the following answers describe the features of the Twisted Nematic (TN) LCD panel technology? (Select 3 answers) Which of the acronyms listed below refers to an LCD panel taking advantage of fluorescent lamps? Which of the following answers describe the function of a power inverter? (Select 2 answers)
Examples of devices posing risk to electrical safety due to accumulated high voltage include: (Select all that apply) Which of the acronyms listed below refers to a new type of thin and lightweight display devices offering higher contrast ratio and color quality in comparison to LCD without the need for a special light source to produce a visible image? In computer graphics, the frequency at which the screen is redrawn is called: Which of the following statements are true? (Select all that apply) What type of unit is used to describe the refresh rate of a computer screen?
Which of the following units is used for measuring the brightness of an image rendered by an image projector? The brightness of an LCD display screen is measured in: Which of the following countermeasures prevents shoulder surfing? A monitor filter used to reduce reflection from the surface of a CRT or LCD display is called: The relative horizontal and vertical size of a digital image displayed on the graphics monitor screen is referred to as:
Which of the answers listed below refer to the characteristics of the Extended Graphics Array (XGA) display standard? (Select 2 answers) Display devices with aspect ratios of 16:10 and 16:9 are commonly referred to as: The Super Extended Graphics Array (SXGA) display standard features: (Select 2 answers) Which of the following answers refers to the standard display format for HDTV? What are the characteristic features of the Ultra Extended Graphics Array (UXGA) display standard? (Select 2 answers)
Which of the answers listed below refer to the Widescreen Ultra Extended Graphics Array (WUXGA) display standard (Select 2 answers) Which of the following display standards use(s) the 4:3 aspect ratio? (Select all that apply) Which of the display standards listed below uses the 16:10 aspect ratio? Examples of connectors providing the capability for carrying both video and audio signals include: (Select 2 answers) Which of the following answers refers to the features of DisplayPort?
Which of the connector types listed below are used with coaxial cabling? (Select 2 answers) The PS/2 connector is a 6-pin Mini-DIN connector used for connecting: (Select all that apply) In computer security, the term "Biometrics" refers to physical characteristics of the human body that can be used for identification and access control purposes. Which of the following are biometric devices? (Select all that apply) Which of the answers listed below refer(s) to the function of digitizer? (Select all that apply)
Common areas of implementation of smart card reader devices include: (Select 2 answers) Which of the following display types does not use an inverter choose two?LED - is a backlighting system which does not use an inverter, and instead of a fluorescent tube it uses a strip of LEDs (Light Emitting Diodes). So in essence there two types of laptop screens: LCD-CCFL and LCD-LED: these screens are NOT INTERCHANGEABLE.
What displays use an inverter?A screen inverter is a small circuit board in a laptop computer that passes a power current from the body of the machine to the attached liquid crystal display (LCD) screen.
Which type of laptop backlight generally does not require the use of an inverter?Less commonly, some laptops use white light emitting diodes (LEDs) to provide the backlight. These laptops do not require an inverter at all, since the LEDs can take their power directly from the laptop's motherboard.
Which of the following are used on a laptop to provide power for the fluorescent backlight?A typical laptop display uses a tiny Cold Cathode Fluorescent Lamp (CCFL) for the backlight. One of these small tubes is able to provide a bright white light source that can be diffused by the panel behind the LCD. In addition to providing ample light, CCFLs do not rise far above the ambient temperature.
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