Comptia A+ Chapter 4

Front 1

Aspect ratio

Back 1

Refers to the relationship between the horizontal and vertical pixel counts that a monitor can display

Front 2

Native resolution

Back 2

Single fixed resolution of lcd,plasma, oled, and other flat panel display

Front 3

Contrast ratio

Back 3

Measure of the radio of the luminance of the brightest color to that of the darkest color the screen is capable of producing

Front 4

CGA

Back 4

Color graphics adapter

Front 5

EGA

Back 5

Entranced graphics adapter

Front 6

VGA

Back 6

Video graphics array

Front 7

SVGA

Back 7

Super video graphics array

Front 8

VESA

Back 8

Video elections standard association

Front 9

XGA

Back 9

Extended graphics array

Front 10

Interlacing

Back 10

Rather than Svan every line it scans every other line using phenomenon known as persistence of vision to produce what appears to our eyes as a continuous image

Front 11

Degauss

Back 11

Reduction of the magnetic field of an object

Front 12

Monochrome

Back 12

Mono =one

Chroma=color

1st video tech for pcs

Front 13

Brightness

Back 13

Is measured in lumens

Front 14

LM

Back 14

Lumens

Unit of measure for total amount of visible light that the projector gives off

Front 15

Lux

Back 15

A derivative of lm measures how much projector lights up surface on which focused

Front 16

HID

Back 16

High immensity discharge

Front 17

PDPs

Back 17

Plasma display panels

Front 18

OLED

Back 18

Organic light emitting diodes

Front 19

AMOLED

Back 19

Active matrix organic light emitting diodes

Front 20

PMOLED

Back 20

Passive matrix organic light emitting diodes

Front 21

SAMOLED

Back 21

Super active organic light emitting diodes

Front 22

TSP

Back 22

Touch sensor panel

Front 23

DLP

Back 23

Digital light processing

Front 24

Active matrix

Back 24

Screen made up of several independent lcd pixels doesn't require constant refreshing

Front 25

Passive matrix

Back 25

display doesn't have a dedicated transistor for each pixel or sub-pixel but instead a matrix of conductive traces

Front 26

Dual Scan

Back 26

Variation of passive matrix display, screen split in half to implement dual screen display

Front 27

LED

Back 27

Light emitting diodes

Front 28

Plasma

Back 28

Cloud of ionized particles, atoms, and molecules with electrons in am unstable state

Front 29

Reasolution

Back 29

How many software picture elements (pixels) are to draw the screen

Front 30

Dot pitch

Back 30

Physical characteristic of the monitor hardware, measurement between the same spot in 2 vertically adjacent dot trios

Front 31

VGA

Back 31

Video graphics array

Front 32

TTL

Back 32

Transistor-transistor logic

Front 33

LCD

Back 33

Liquid crystal display

Front 34

CRT

Back 34

Cathode ray tube

Front 35

VDU

Back 35

Video display unit