M5.11

Question 1

Displays: What does CRT stand for

Answer 1

Cathode Ray Tube

Question 2

Displays: How is deflection done in a CRT

Answer 2

Electrostatic means

Question 3

Displays: What is the control grid used for in CRT

Answer 3

To control the flow of electrons down the tube

Question 4

Displays: 1st and 2nd anodes in a CRT do what

Answer 4

Forms electrons Ito a beam

Question 5

Displays: 3rd anode in a CRT does what

Answer 5

Focuses the beam of electrons onto the screen

Question 6

Displays: In a CRT what is the screen coated in

Answer 6

Phosphor

Question 7

Displays: CRTs in a TV have a final anode potential of what

Answer 7

25kv

Question 8

Displays: In a CRT is the control grid positive or negative with respect to the cathode

Answer 8

Always more negative

Question 9

Displays: Most common type used to deflect CRT beams of electrons

Answer 9

Electromagnetic deflection

Question 10

Displays: How do oscilloscopes deflect the beam

Answer 10

Electrostatic deflection

Question 11

Displays: How do CRTs produce colour pictures

Answer 11

By coating the screen with 3 different phosphors (Red Green and blue)

Question 12

Displays: A delta gun uses what

Answer 12

A shadow mask

Question 13

Displays: a sony Trenton CRT replaces a shadow mask with what

Answer 13

Aperture grille

Question 14

Displays: The majority of aircraft CRT displays are of what form

Answer 14

Sony Triniton

Question 15

CRTs: The electron beam deflected to give weather and artificial horizon give us what on screen

Answer 15

Raster

Question 16

CRTs - What produces symbols on screen

Answer 16

Stroke scan

Question 17

CRTs - What colour cannot be displayed if one colour fails

Answer 17

White images are no longer available

Question 18

CRTs - If a system overheats what happens

Answer 18

Large consumers (raster scan) will shut down

Question 19

CRTs - What temperature will cause the raster to shut down

Answer 19

70c

Question 20

CRTs - what temperature will cause a complete shut down of the monitor

Answer 20

90c

Question 21

CRTs - Advantage

Answer 21

Coloured multifunctional display

Question 22

LEDs - What is resolution limited to

Answer 22

64 cells per inch

Question 23

LEDs - operate on which principle

Answer 23

Electro Luminescence

Question 24

LEDs - Two categories of displays

Answer 24

Character

Graphic

Question 25

LEDs - Disadvantages

Answer 25

• Higher current consumption
• Limited flexibility

Question 26

LEDs - What indicates the cathode

Answer 26

Flat area

Question 27

LEDs - Two types of display formats

Answer 27

7 segment and dot matrix

Question 28

LEDs - When is 7 segment used

Answer 28

Number and limited number of other symbols are needed

Question 29

LEDs - Matrix size of a Dot matrix

Answer 29

5x7

Question 30

LCDs - What do LCDs control

Answer 30

Light

Question 31

Since LCDs do not radiate light what must they be used in

Answer 31

Light areas or with an active backlight

Question 32

LCDs - How are the grooved plates aligned

Answer 32

90 degrees perpendicular to the bottom plate

Question 33

LCDs - What segment appears bright in daylight

Answer 33

Light reflected by mirror

Question 34

LCDs - Disadvantage

Answer 34

Temperature sensitive

Question 35

LCDs - Advantages

Answer 35

Low Energy

Long lifespan

Question 36

LCDs - What is the most common technology used for EIS

Answer 36

Active - Matrix Liquid Crystal Display (AMLCD)

Question 37

Three units of a HUD

Answer 37

• Computer
• Projector
• Combiner

Question 38

OLED advantages

Answer 38

Brighter colour
Screen can be read from the side
Thinner
More flexible
Lower power consumption
No backlight required