Chapter 9 - Hardware Support A+

9 September 2022
4.7 (114 reviews)
40 test answers

Unlock all answers in this set

Unlock answers (36)
question
Every installed device requires a device driver to control the device. True or False
answer
True
question
A 32-bit driver can be used in a 64-bit operating system. True or False
answer
False
question
The official standard for USB interfaces is called IEEE 1394. True or False
answer
False
question
A KVM switch allows you to use one monitor, mouse, and keyboard for multiple computers. True or False
answer
True
question
DDR memory is faster than GDDR memory since it is used by the CPU. True or False
answer
False
question
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 -if you have multiple devices to install, it's best to install them at the same time -for most installations, install the device first, then the device driver -some devices don't require a software component for them to work properly
answer
for most installations, install the device first, then the device driver
question
What icon might you see in Device Manager that indicates a problem with a device? blue circle yellow triangle red square white oval
answer
yellow triangle
question
Which statement regarding the USB standard and USB devices is accurate? -up to 64 USB devices can be daisy chained together -USB uses parallel data transmissions -a USB cable has four wires, two for power and two for communication -USB devices must supply their own power
answer
a USB cable has four wires, two for power and two for communication
question
Which statement regarding the Firewire standard is accurate? -data is transferred on a parallel bus -1394b allows up to 16 daisy-chained devices -FireWire 800 uses a 4-pin connector -FireWire devices are hot-swappable
answer
FireWire devices are hot-swappable
question
When installing a new device, which statement is accurate? -a mouse may not require an additional device driver installation -Vista drivers never work with Windows 7 -32-bit drivers can be installed in a 64-bit OS -64-bit drivers can be installed in a 32-bit OS
answer
a mouse may not require an additional device driver installation
question
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 -Windows automatically partitions and formats the device -the files are copied from the device to your Documents folder
answer
a drive letter is assigned to the device and you can see it in Explorer
question
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 digitizer biometric device a KVM switch
answer
a KVM switch
question
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 -you installed the video card in the wrong slot -the video card has insufficient RAM
answer
the onboard video is not disabled in BIOS
question
What type of backlighting is also called fluorescent backlighting, and was first used in laptop monitors? LED liquid crystal display plasma monitor CCFL
answer
CCFL
question
What is the distance between adjacent dots on a screen known as? viewing angle refresh rate native resolution pixel pitch
answer
pixel pitch
question
Which type of video port provides a digital-only signal? DVI-I DVI-D DVI-A VGA
answer
DVI-D
question
Which of the following is a requirement for supporting the Aero user interface? -at least 128 KB video memory -DirectX9 or higher -an HDMI video port -Windows XP with SP3
answer
DirectX9 or higher
question
A SuperSpeed USB port is capable of attaining what maximum data transfer speed? 1.2 Gbps 1.5 Gbps 5 Gbps 6 Gbps
answer
5 Gbps
question
What type of backlighting receives DC power directly from a motherboard and doesn't use an inverter? CCFL LED Plasma OLED
answer
LED
question
Involving both software and hardware, what technology is meant to protect digital content and prevent piracy? HDMI DRM PPM DVI
answer
DRM
question
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 -bring the laptop to an authorized repair shop -check the NumLock indicator on the laptop -replace the laptop keyboard
answer
check the NumLock indicator on the laptop
question
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 screen blanking screen freezing
answer
burn-in
question
When might an LCD monitor experience distorted geometry? -only when the wrong video cable is used -if the pixel pitch is not high enough -if the screen is overheating -the screen is not set to native resolution
answer
the screen is not set to native resolution
question
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 left-ins rips artifacts
answer
artifacts
question
In order to enable the Windows 7 Aero user interface, how much video memory must be available to the video controller? 64MB 128MB 256MB 1GB
answer
128MB
question
What are the two common classes of LCD monitors? Twisted Switching (TS) Out-of-plane Focusing (OF) Twisted Nematic (TN) In-Plane Switching (IPS)
answer
Twisted Nematic (TN) In-Plane Switching (IPS)
question
What two wireless technologies share the same radio frequency range? 802.11a 802.11b Bluetooth NFC
answer
802.11b Bluetooth
question
VGA mode includes what two resolutions for troubleshooting monitors? 640 x 480 800 x 600 1280 x 720 1920 x 1080
answer
640 x 480 800 x 600
question
When using an HDMI to DVI adapter, what two DVI port types will the adapter work with? DVI-A DVI-D DVI-I DVI-V
answer
DVI-D DVI-I
question
What two colored RCA connectors in a component video cable are used for audio? red blue white green
answer
red white
question
uses a thin LED layer or film between two grids of electrodes
answer
OLED
question
used to cast a transparent image onto a large screen
answer
projector
question
used to display information about hardware and diagnose problems
answer
dxdiag.exe
question
transmits both digital video and audio, most common type is the Type A 19-pin
answer
HDMI connector
question
an outdated wireless technology used to connect personal devices, has been replaced by Bluetooth
answer
infrared (IR)
question
used with a graphics tablet and works like a pencil
answer
stylus
question
the relative difference between light and dark areas on a video screen
answer
contrast ratio
question
a trail left behind when you move the mouse
answer
ghost cursor
question
the number of times a monitor screen is built or refreshed in one second
answer
refresh rate
question
another term for graphics tablet, which is used to hand draw
answer
digitizer