Module 8 Flashcards
T/F: Every installed device requires a device driver to control the device.
True
T/F: The official standard for USB interfaces is called IEEE 1394.
False
T/F: A KVM switch allows you to use one monitor, mouse, and keyboard for multiple computers.
True
T/F: DDR memory is faster than GDDR memory since it is used by the CPU.
False
T/F: A 32-bit driver can be used in a 64-bit operating system.
False
What icon might you see in Device Manager that indicates a problem with a device?
yellow triangle
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?
artifacts
What type of backlighting receives DC power directly from a motherboard and doesn’t use an inverter?
LED
What type of backlighting is also called fluorescent backlighting, and was first used in laptop monitors?
CCFL
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?
check the NumLock indicator on the laptop
What might be the cause of a black screen right after you install a new video card?
the onboard video is not disabled in BIOS
Which statement regarding the Firewire standard is accurate?
FireWire devices are hot-swappable
Which of the following is a requirement for supporting the Aero user interface?
DirectX 9 or higher
What is the distance between adjacent dots on a screen known as?
pixel pitch
When installing a new device, which statement is accurate?
a mouse may not require an additional device driver installation
What happens when a flash memory card is installed in a slot and it is recognized by Windows?
a drive letter is assigned to the device and you can see it in Explorer
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?
burn-in
In order to enable the Windows 7 Aero user interface, how much video memory must be available to the video controller?
128MB
What is a basic principle that applies to both internal and external devices?
for most installations, install the device first, then the device driver
Which type of video port provides a digital-only signal?
DVI-D
Involving both software and hardware, what technology is meant to protect digital content and prevent piracy?
DRM
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 KVM switch
A SuperSpeed USB port is capable of attaining what maximum data transfer speed?
5 Gbps
When might an LCD monitor experience distorted geometry?
the screen is not set to native resolution
Which statement regarding the USB standard and USB devices is accurate?
a USB cable has four wires, two for power and two for communication
What two wireless technologies share the same radio frequency range?
802.11b
Bluetooth
When using an HDMI to DVI adapter, what two DVI port types will the adapter work with?
DVI-D
DVI-I
What two colored RCA connectors in a component video cable are used for audio?
red
white
What are the two common classes of LCD monitors?
Twisted Nematic (TN) In-Plane Switching (IPS)
VGA mode includes what two resolutions for troubleshooting monitors?
640 x 480
800 x 600
infrared (IR)
an outdated wireless technology used to connect personal devices, has been replaced by Bluetooth
digitizer
another term for graphics tablet, which is used to hand draw
dxdiag.exe
used to display information about hardware and diagnose problems
HDMI connector
transmits both digital video and audio, most common type is the Type A 19-pin
OLED
uses a thin LED layer or film between two grids of electrodes
projector
used to cast a transparent image onto a large screen
refresh rate
the number of times a monitor screen is built or refreshed in one second
stylus
used with a graphics tablet and works like a pencil
contrast ratio
the relative difference between light and dark areas on a video screen
ghost cursor
a trail left behind when you move the mouse
What is MIDI?
musical instrument digital interface.
a set of standards that are used to represent music in digital form.
What is DisplayPort?
designed to replace VGA, DVI, and HDMI.
can transmit digital video and audio.
How does an OLED monitor work?
organic light-emitting diode.
uses thin LED layer/film between two grids and does not use backlighting.
Describe a touch screen device.
an input device that uses monitor/LCD panel as the backdrop for input options.
What is a KVM switch and how might one be useful?
keyboard, video, mouse.
allows you to use one keyboard, monitor, and mouse for multiple computers.
useful in server room or testing lab.
Describe an S-Video port.
4-pin or 7-pin round port.
used by some televisions and video equipment.
older video cameras use 6-pin variation.
What is a biometric device, and how is it used?
an input device that inputs biological data about a person, used to identify them.
What is DirectX?
a microsoft software development tool that software developers can use to write multimedia applications.
components include directdraw, directmusic, directplay, direct3D
How does Light-Emitting Diode (LED) backlighting work, and how do you identify a monitor that uses LED?
receives its DC power from motherboard and doesn’t use an inverter.
use less mercury.
advertised as LED, know monitor is an LCD that uses LED backlighting.
What is a barcode reader and how are they typically connected to a computer?
used to scan barcodes on products.
used at POS or when taking inventory.
