8-D-29: Displays
8-29D1:
Modern liquid crystal displays have a pixel count of:
Greater than 200 pixels per inch.
Greater than 50 pixels per inch.
Can have no more than 125 pixels per inch.
Can implement 1,000 pixels per inch.
8-29D2:
Voltages used in CRT anode circuits are in what range of value?
10-50 kV.
0.5-10 mV.
20-50 mV.
200-1000 V.
8-29D3:
The purpose of the aquadag coating on the CRT is:
All of the above
To protect the electrons from strong electric fields.
To act as a second anode.
To attract secondary emissions from the CRT screen.
8-29D4:
LCD patterns are formed when:
Current passes through the crystal causing them to align.
When voltage is reduced to the raster scan display.
When the deflection coils are resonant.
When the ships antenna’s bearing is true North.
8-29D5:
In a raster-type display, the electron beam is scanned:
Horizontally and vertically across the CRT face.
From the center of the display to the outer edges.
In a rotating pattern which follows the antenna position.
From one specified X-Y coordinate to the next.
8-29D6:
Select the statement, which is most correct regarding a raster scan display.
Raster scanning is controlled by clock pulses and requires an address bus.
Raster displays are the same as conventional T.V. receivers.
The scan rate for a RADAR system is 30 frames per second.
Raster scanning is not used in RADAR systems.
|
Color key:
|
|
● = Unseen
|
|
● = Weak
|
|
● = Review
|
|
● = Learned
|
|
● = Incorrect answer
|
