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Every installed device requires a device driver to control the device. True or False |
True |
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A 32-bit driver can be used in a 64-bit operating system. True or False |
False |
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The official standard for USB interfaces is called IEEE 1394. True or False |
False |
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A KVM switch allows you to use one monitor, mouse, and keyboard for multiple computers. True or False |
True |
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DDR memory is faster than GDDR memory since it is used by the CPU. True or False |
False |
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What is a basic principle that applies to both internal and external devices? -when connecting a faster device to a slower port, the port adapts to the speed of the device |
for most installations, install the device first, then the device driver |
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What icon might you see in Device Manager that indicates a problem with a device? blue circle |
yellow triangle |
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Which statement regarding the USB standard and USB devices is accurate? -up to 64 USB devices can be daisy chained together |
a USB cable has four wires, two for power and two for communication |
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Which statement regarding the Firewire standard is accurate? -data is transferred on a parallel bus |
FireWire devices are hot-swappable |
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When installing a new device, which statement is accurate? -a mouse may not require an additional device driver installation |
a mouse may not require an additional device driver installation |
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What happens when a flash memory card is installed in a slot and it is recognized by Windows? -a window appears prompting you to initialize the device |
a drive letter is assigned to the device and you can see it in Explorer |
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What should you install in a server room that will save space by allowing you to control multiple servers with a single mouse, keyboard, and monitor? a MIDI connector |
a KVM switch |
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What might be the cause of a black screen right after you install a new video card? -no video card is detected |
the onboard video is not disabled in BIOS |
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What type of backlighting is also called fluorescent backlighting, and was first used in laptop monitors? LED |
CCFL |
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What is the distance between adjacent dots on a screen known as? viewing angle |
pixel pitch |
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Which type of video port provides a digital-only signal? DVI-I |
DVI-D |
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Which of the following is a requirement for supporting the Aero user interface? -at least 128 KB video memory |
DirectX9 or higher |
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A SuperSpeed USB port is capable of attaining what maximum data transfer speed? 1.2 Gbps |
5 Gbps |
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What type of backlighting receives DC power directly from a motherboard and doesn’t use an inverter? CCFL |
LED |
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Involving both software and hardware, what technology is meant to protect digital content and prevent piracy? HDMI |
DRM |
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If a user on a laptop complains that they are unable to sign into Windows even though they are certain they are entering the correct password, what should you have them do? -perform a reboot |
check the NumLock indicator on the laptop |
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When a static image stays on a monitor for many hours leaving a permanent impression of that image on the monitor, what term is used to describe the condition? image cling |
burn-in |
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When might an LCD monitor experience distorted geometry? -only when the wrong video cable is used |
the screen is not set to native resolution |
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What term refers to horizontally torn images on a screen, which occur when the video feed from the video controller gets out of sync with the refresh rate of the monitor? burn-in |
artifacts |
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In order to enable the Windows 7 Aero user interface, how much video memory must be available to the video controller? 64MB |
128MB |
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What are the two common classes of LCD monitors? Twisted Switching (TS) |
Twisted Nematic (TN) In-Plane Switching (IPS) |
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What two wireless technologies share the same radio frequency range? 802.11a |
802.11b Bluetooth |
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VGA mode includes what two resolutions for troubleshooting monitors? 640 x 480 |
640 x 480 800 x 600 |
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When using an HDMI to DVI adapter, what two DVI port types will the adapter work with? DVI-A |
DVI-D DVI-I |
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What two colored RCA connectors in a component video cable are used for audio? red |
red white |
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uses a thin LED layer or film between two grids of electrodes |
OLED |
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used to cast a transparent image onto a large screen |
projector |
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used to display information about hardware and diagnose problems |
dxdiag.exe |
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transmits both digital video and audio, most common type is the Type A 19-pin |
HDMI connector |
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an outdated wireless technology used to connect personal devices, has been replaced by Bluetooth |
infrared (IR) |
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used with a graphics tablet and works like a pencil |
stylus |
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the relative difference between light and dark areas on a video screen |
contrast ratio |
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a trail left behind when you move the mouse |
ghost cursor |
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the number of times a monitor screen is built or refreshed in one second |
refresh rate |
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another term for graphics tablet, which is used to hand draw |
digitizer |
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