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CompTIA A+ > Display Technologies > Flashcards

Display Technologies Flashcards

1
Q

Display Technologies

Composed of individual picture elements (pixels)

A

Monitor

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2
Q

Display Technologies

This is the total of pixels across and down

A

The Resolution

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3
Q

Display Technologies

These monitors use liquid crystals to allow light to pass or not pass for each color in a pixle.

A

Liquid Crystal Display (LCD)

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4
Q

Display Technologies

These are fluorescent or LED lights and shine through the liquid crystals

A

LCD backlights

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5
Q

Display Technologies

This type of monitor does not use a backlight as the pixels make their own light

A

Organic LED

OLED

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6
Q

Display Technologies

Uses a grid of tiny mirrors that shine through a color wheel to create an image

A

Digital Light Processing (DLP)

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7
Q

Display Technologies

LCD panel has a preset

A

Resolution

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8
Q

Display Technologies

This distributes the light emanating from the CCFG or LED backlights

A

Back panel (backlight unit)

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9
Q

Display Technologies

Convert DC power back into AC power for fluorescent lights

A

Inverters

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10
Q

Display Technologies

These types of monitor’s do not need inverters

A

LEDs

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11
Q

Display Technologies

The majority of GPUs are made by

A

Nvidia
AMD (ATI)
Intel

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12
Q

Display Technologies

To help resolve the screen all graphics cards have

A

RAM

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13
Q

Display Technologies

Many CPUs come with built-in

A

GPUs

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14
Q

Display Technologies

Uses analog signal

Chevy Vega

A

VGA

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15
Q

Display Technologies

Uses a digital signal

A

DVI

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16
Q

Display Technologies

These use 16-lane PCL3 slots and one or two PCLe power connectors

A

Graphics cards

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17
Q

Display Technologies

If you have multiple graphics cards in your system

A

Define the primary one to boot from in system setup

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18
Q

Display Technologies

Some systems provide these for extra graphics cards

A

Risers

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19
Q

Display Technologies

Systems should be run at your monitor’s

A

Native Resolution

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20
Q

Display Technologies

Projectors have resolutions and aspect ratios just like

A

monitors

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21
Q

Display Technologies

Projectors have either of two technologies

A

DLP
–or–
LCD

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22
Q

Display Technologies

The brightness of a projector is defined by

A

Lumens

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23
Q

Display Technologies

Throw comes in three forms

A

Pincushion

Keystone

Skew

24
Q

Display Technologies

Video card overheats and shuts down

A

Replace fan

make sure it has enough airflow

25
Q

Display Technologies

If you have Dead Pixels on LCD monitors

A

If persistent get a new one. Manufacturers allow for small numbers of them but you don’t have to.

26
Q

Display Technologies

Artifacts

A

Video Ram - replace

snap in new ram card t and test it. (no testing video ram - soldered in)

27
Q

Display Technologies

Incorrect color patterns

A

Check cable especially if VGA

snap in new ram card t and test it. (no testing video ram - soldered in)

28
Q

Display Technologies

DIM image

A

Not enough light

Replace

29
Q

Display Technologies

Flickering image

A

Replace cables - notorious for this especially HDMI cables

30
Q

Display Technologies

Distorted Image

A

Run at native resolution

adjust geometry of projector a little bit

31
Q

Display Technologies

Burn in

A

Old school plasma monitors

LCD - image persistance - fix it by putting a different screen on it

32
Q

Display Technologies - Symptom

Oversized images and Icons

A

Windows tools will help to adjust

33
Q

Display Technologies

Many monitor troubleshooting problems covered in

A

CompTIA exam

34
Q

Display Technologies

The situations detailed above are covered on

A

The exam

35
Q

Display Technologies - Quiz

Monitor backlight technology

A

LED

36
Q

Display Technologies - Quiz

LCD’s don’t make own light

A

they use backlights

37
Q

Display Technologies - Quiz

OLED make on light

A

thus do not need backlight

38
Q

Display Technologies - Quiz

Unit used to measure monitor brightness

A

Nit

39
Q

Display Technologies - Quiz

Uses tiny, moving mirrors to create projected images

A

DLP

40
Q

Display Technologies - Quiz

Backlight technology

A

CCFL

41
Q

Display Technologies - Quiz

Subpixel colors

A

RED
GREEN
BLUE

42
Q

Display Technologies - Quiz

Contains liquid crystal that changes opacity

A

LCD

43
Q

Display Technologies - Quiz

Includes CPU and GPU on same chip

A

APU

44
Q

Display Technologies - Quiz

VGA and DVI are

A

Video Connectors

45
Q

Display Technologies - Quiz

Can refer to either the core graphics processor or a standalone video card.

A

Graphics Processing Unit (GPU)

46
Q

Display Technologies - Quiz

Can support one or more monitors.

A

DVI-I

47
Q

Display Technologies - Quiz

DVI connectors can support multiple monitors

A

Dual-link

48
Q

Display Technologies - Quiz

Support for both analog and digital signals

A

DVI

49
Q

Display Technologies - Quiz

Dual-link cards can support

A

higher resolution

50
Q

Display Technologies - Quiz

Supports DRM

A

HDMI

51
Q

Display Technologies - Quiz

This power is not adjustable

A

PCLe

52
Q

Display Technologies - Quiz

Standard projector adjustments

A

Keystone

Skew

Pincushion

53
Q

Display Technologies - Quiz

May be caused by loose or failing connectors and should be reset

A

Incorrect color pattern

54
Q

Display Technologies - Quiz

These monitor problems are not fixable

A

Dead pixels and burn-in

55
Q

Display Technologies - Quiz

Low brightness settings, failing CCFL or failing inverters may cause

A

Dim images

56
Q

Display Technologies - Quiz

A failed inverter will make a monitor

A

DIM

57
Q

Display Technologies - Quiz

May cause overheating

A

High video workload

CompTIA A+ (26 decks)

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