Term
| Name 3 ways display hardware may vary. |
|
Definition
1. display technologies
2. characteristics & display settings
3. connector types |
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Term
| The computer sends drawing instructions to the _____ ______. |
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Definition
|
|
Term
| The video adapter converts drawing instructions into colored ______ and sends them to the _______. |
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Definition
|
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Term
| Name the 3 main modes that can be used with multiple monitors. |
|
Definition
1. mirrored or clones
2. extended
3. external display only |
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Term
| Name the 3 most common display technologies. |
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Definition
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Term
| The p________ coating on the screen is struck by electronic b______. The coating then g______s for a fraction of s_______. The electronic b______ must strike the p________ coating many times to keep it g_____ing. What type of technology is this called? |
|
Definition
phosphorous
beams
glow
second
beams
phosphorous
glow
CRT Technology |
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Term
| Use 3 electron beams to product images. |
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Definition
|
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Term
| These are used to to isolate electron beams around the electron gun. |
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Definition
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Term
| Once the electron beams have reached the screen what is used to focus the signal on the phosphorous coating? |
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Definition
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Term
| Heated element at the rear of the monitor |
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Definition
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Term
| When the _____ is heated, negatively charged rays are emitted and are attracted by a positively charged _____, which focuses the rays. |
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Definition
|
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Term
| what is the advantage of a triad of dots |
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Definition
| allows the RGB phosphors to be illuminated simultaneously |
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Term
| How do phosphor triads become misaligned? |
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Definition
| When powerful magnets from speakers or industrial motors magnetize the mask or grill used to focus the electron beams. |
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Term
| What can be done to demagnetize a monitor? |
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Definition
| Use the degaussing button. |
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Term
| This happens automatically when you turn a CRT monitor on resetting the voltages of the electronic beams. |
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Definition
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|
Term
Name 9 specifications for CRT monitors.
SVH
CC
A
RR
DP |
|
Definition
screen size
vertical size
horizontal size
centering
convergence
aspect ratio
resolution
refresh rate
dot pitch |
|
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Term
| Screen size value can be misleading because the measurement includes areas of the picture tube that are behind the ______ or plastic case that surrounds the viewable area of the screen. For this reason, you might also find another measurement called the _________ _____, which measures just the portion of the screen that is visible. |
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Definition
|
|
Term
| How are vertical, horizontal size, centering and convergence set on a CRT? |
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Definition
| Using buttons on the monitor. |
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Term
| Why are size and centering settings adjustable on a CRT monitor? |
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Definition
| To ensure that the display area reaches the edges of the screen. |
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Term
|
Definition
| A specification for CRT monitors that set the horizontal and vertical alignment of colors displayed on the screen. |
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Term
| The relationship between the horizontal size and the vertical size. |
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Definition
|
|
Term
| What is the standard CRT aspect ratio? |
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Definition
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Term
| The number of pixels on the display device. |
|
Definition
|
|
Term
| What is the relationship between resolution and pixel size? |
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Definition
| For two different sized monitors with the same resolution (rows x column) the smaller the monitor, the smaller the picture which could make the resolution seem higher. |
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Term
| Also known as vertical scan frequency |
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Definition
|
|
Term
| The higher the refresh rate... |
|
Definition
| the more stable the image. |
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|
Term
| What is the recommended refresh rate for a CRT? |
|
Definition
|
|
Term
| The predefined measurement between pixels on a screen. |
|
Definition
|
|
Term
| For dot pitch, the lower the number... |
|
Definition
|
|
Term
| What is a typical dot pitch? |
|
Definition
|
|
Term
| The relationship between horizontal and vertical screen length |
|
Definition
|
|
Term
| The distance in millimeters between pixels on the screen. |
|
Definition
|
|
Term
| The horizontal and vertical alignment of colors on the screen. |
|
Definition
|
|
Term
| The number of pixels displayed per column and row. |
|
Definition
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|
Term
| A measurement of the number of times per second that a display is redrawn. |
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Definition
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|
Term
List 5 advantages of LCD over CRT.
phrdg |
|
Definition
less power
less heat
less radiation
less desk space for same viewable area
less glare |
|
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Term
| What happens to a liquid crystal when presented with an electric field? |
|
Definition
| They align to allow light to pass through. |
|
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Term
| What are 3 of the major functional components of an LCD? |
|
Definition
layers of liquid crystals
fluorescent light source
polarizing filters |
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|
Term
| What controls a pixel's transparency in a LCD? |
|
Definition
|
|
Term
| each pixel is made up of 3 subpixels |
|
Definition
|
|
Term
| On LCD monitors, s________ are covered by a red, green, or blue filter and is controlled by an individual _____. |
|
Definition
|
|
Term
| What are the two categories of LCD monitors? |
|
Definition
passive matrix
active matrix |
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Term
| Consists of a series of intersecting wires where single LCD elements allow light to pass through. |
|
Definition
|
|
Term
| Transistors behind each pixel stimulate electrodes that rearrange the liquid crystals. |
|
Definition
|
|
Term
|
Definition
| Thin Film Transistor display also known as active matrix display |
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|
Term
Name 9 LCD specifications
ss
va
rt
cr
nr
br
or
uh
anti
SS
VA
RT
CR
NR
BR
OR
HB
LK |
|
Definition
screen size
viewing angle
response time
contrast ratio
native resolution
brightness
LCD orientation
USB hub
anti-theft lock |
|
|
Term
(T/F)
LCD monitor screen size is measured just like CRT monitors where the viewable area includes the bezel. |
|
Definition
False
LCDs only display the viewable area, CRTs also report the hidden portion of the screen hidden by the bezel. |
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Term
| The maximum angle from which images can be viewed without being distorted. |
|
Definition
|
|
Term
| The time it takes in milliseconds for a single pixel to turn on and off. |
|
Definition
|
|
Term
(T/F)
For LCD monitors, response time is inversely proportional to performance. |
|
Definition
False
An 8ms response time would be used for gaming applications while a 20ms response time would be sufficient for word processing. |
|
|
Term
| The difference in light intensity between a fully lit pixel and a fully dark pixel while the display is active. |
|
Definition
|
|
Term
(T/F)
CRT displays have almost infinite contrast ratios. |
|
Definition
|
|
Term
| What are the two types of contrast ratios? |
|
Definition
static contrast ratio
dynamic contrast ratio |
|
|
Term
| What is a typical contrast ratio for an LCD monitor? |
|
Definition
|
|
Term
| The ratio of the brightest and darkest colors that can be produced at the same time. |
|
Definition
|
|
Term
| The ratio of the brightest and darkest colors produced over various intervals of time. |
|
Definition
|
|
Term
| The physical number of pixels that a screen matrix includes. |
|
Definition
|
|
Term
(T/F)
If you set a monitor to display at a lower than its native resolution, it will reduce the size of the visible display. |
|
Definition
|
|
Term
| What is the reason a monitor might interpolate multiple pixels to produce an image similar to the original, but with a blurred appearance? |
|
Definition
| Setting a monitor at a lower resolution than its native resolution. |
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Term
| According to Skillport, these are the common resolutions for LCD monitors. |
|
Definition
VGA 800x600
XGA 1024x768
SXGA 1280x1024
UXGA 1600x1200 |
|
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Term
| Luminescence is also known as _______ and the typical range is ___ cd/m2 to ____ cd/m2. |
|
Definition
|
|
Term
| Is measured in candelas per meter squared. |
|
Definition
|
|
Term
(T/F)
It is not possible to put a USB port on an LCD monitor. |
|
Definition
False.
According to Skillport some manufacturers will add a self-powered hub which allows mobile users access to system ports. |
|
|
Term
| What is VESA and what is significant wrp to LCD monitors? |
|
Definition
| Video Electronics Standard Association offers specification for wall mounting, which is one way to prevent theft. |
|
|
Term
| There are 786,432 pixels displayed by this graphics adapter. |
|
Definition
|
|
Term
| These four graphics adapters have no less than a million pixels per display. |
|
Definition
|
|
Term
| WUXGA has over __ ______ pixels per display, while ________ has over 4 million pixels per display. |
|
Definition
|
|
Term
| The maximum degree of tilt at which you can clearly see images on an LCD screen. |
|
Definition
|
|
Term
| Response time is the number of ms it takes ________ to turn on and off. |
|
Definition
|
|
Term
| The number of pixels that constitute a physical screen matrix, arranged in columns and rows. |
|
Definition
|
|
Term
| What 3 parts allow a projector to project an image from a computer onto a large screen for viewing. |
|
Definition
a light source
an optics system
electronics |
|
|
Term
| List 6 ways a projector can be connected to a source. |
|
Definition
VGA
S-Video
composite
component
DVI
HDMI |
|
|
Term
| What are the 3 main types of projectors? |
|
Definition
|
|
Term
What technology is described by the following features?
a lamp
a beam-splitting mirror
3 color-specific, polysilicone panels
prism
lens |
|
Definition
| transmissive technology for an LCD projector |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Digital Micromirror Device |
|
|
Term
| A ____ is a semiconductor chip containing miniature pivoting _______ that are used to reflect red, green, and blue light to a screen for images. |
|
Definition
|
|
Term
| DLP projector technology relies upon this semiconductor chip. |
|
Definition
|
|
Term
| In a DMD what is the ratio of mirror to pixel? |
|
Definition
|
|
Term
|
Definition
| Liquid Crystal on Silicon |
|
|
Term
| This projector technology combines LCD and DLP strategies for project an image. |
|
Definition
|
|
Term
| How does LCoS differ from DLP technology? |
|
Definition
| LCoS incorporates the use of 3 dedicated color-specific chips rather then a single chip per pixel. |
|
|
Term
| How does LCoS differ from LCD technology? |
|
Definition
| LCoS has a reflective surface underneath each color specific panel that when reflecting light will change the state of the color-specific chips to create an image. |
|
|
Term
|
Definition
| High Definition Multimedia Interface |
|
|
Term
| Name the two types of HDMI connectors, and which is used more commonly? |
|
Definition
|
|
Term
| RCA connectors in component cable create a separate signal for the colorless part of the data stream called ______. |
|
Definition
|
|
Term
| _______ _______ is an analog video connector comprising three ___ connectors. |
|
Definition
|
|
Term
| _____ connectors combine black and white information with the ___ streams. |
|
Definition
|
|
Term
| This cable typically has three heads on one end. |
|
Definition
|
|
Term
| What is the context and meaning of Pb? |
|
Definition
| It's used to describe component video cable and is the stream for blue minus luminance. |
|
|
Term
| What is the context and meaning of Pr? |
|
Definition
| It's describes component video cable and represents the red minus luminance stream. |
|
|
Term
| Where are the Pb and Pr streams derived from in component video cable transmission? |
|
Definition
|
|
Term
|
Definition
|
|
Term
| These connectors supply both analog and digital information. |
|
Definition
|
|
Term
| What configuration is a DVI connector? |
|
Definition
|
|
Term
| This connector has a long horizontal pin on one side of the face of the connector and rows of pins next to it that may vary depending on the device. |
|
Definition
|
|
Term
| Combines luminance and chrominance to create the signal for the image. |
|
Definition
|
|
Term
| What type of connector can be found on composite cable? |
|
Definition
|
|
Term
| _______ cables are less sophisticated than S-video and component cables. |
|
Definition
|
|
Term
| Separate brightness and color information into two paths. |
|
Definition
|
|
Term
| What type of connector is S-video? |
|
Definition
|
|
Term
| What is the context for a 4-pin mini-DIN connector being compatible with a 7-pin female connector? |
|
Definition
|
|
Term
| What are the 3 categories of DVI connectors? |
|
Definition
|
|
Term
| Provides an analog only connection using 12 pins. |
|
Definition
|
|
Term
| Provides a digital only connection using 18-24 pins depending on whether or not it's a single- or dual-link connector. |
|
Definition
|
|
Term
| Supports both digital and analog signals by using 22 - 28 pins with the 4 analog pins above and below the grounding blade. |
|
Definition
|
|
Term
| Analog video connector comprising three RCA connectors. |
|
Definition
|
|
Term
| A type of projector that combines LCD and DLP technologies. |
|
Definition
|
|
Term
| A type of display connector that separates brightness and color information into two paths. |
|
Definition
|
|
Term
| A type of projector that consists of a lamp, beam splitting mirrors, and three polysilicone panels. |
|
Definition
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