Video Systems (Signals and Monitors):

Carefully choose the "most correct" answer, if there appears to be more than one !

* The high voltage at the CRT Anode for a monochrome monitor should be approximately

  1. 10,000 volts per square inch
  2. 1 KV per diagonal inch
  3. 1500 volts per diagonal inch

* The high voltage at the CRT Anode for a color monitor should be approximately

  1. 10,000 volts per square inch
  2. 1KV per diagonal inch
  3. 1500 volts per diagonal inch

* An advantage of "VGA" Monitors is that they

  1. Can have more colors than the "EGA" Monitors
  2. Have better pixel definition than "EGA" Monitors
  3. Are brighter than "EGA" Monitors
  4. Both 1 & 2 are correct

* The advantage of "EGA" Monitors is that they

  1. Can have more colors than the "CGA" Monitors
  2. Have better pixel definition than "CGA" Monitors
  3. Are brighter than "CGA" Monitors
  4. Both 1 & 2 are correct

* Signals from the computer's video board to the video monitor

  1. Will be analog for CGA, EGA, & VGA
  2. Will be TTL for CGA, EGA, & VGA
  3. Will be TTL for CGA & EGA, but analog for VGA
  4. Will be TTL for the older CGA, but analog for the newer EGA & VGA

* The advantage of "XGA" or "SVGA" Monitor Systems over "VGA" is that they

  1. Can have more colors than the "VGA" Monitor Systems
  2. Have better pixel definition than "VGA" Monitor Systems
  3. Are brighter than "VGA" Monitor Systems
  4. Both 1 & 2 are correct

* The "Brightness-Control"

  1. Only affects the background
  2. Affects the background and the character brightness
  3. Only affects the character brightness
  4. Only affects the cursor brightness

* The "CGA" Monitor

  1. Is for colored text only (no graphics).
  2. Requires analog input signals
  3. Cannot utilize interlaced TTL input signals
  4. Is simply a TTL version of the "RGB" Monitor

* The advantage of a "VGA" Monitor over a "EGA" Monitor

  1. Is greater definition, or resolution
  2. Allows more colors
  3. Can utilize both TTL and analog input signals
  4. Requires less CRT voltage

* "Dot-Pitch" refers to

  1. The maximum spacing allowed between pixels by the "Dot-Clock"
  2. The "Merging of the Dots", caused by the electron beams striking the CRT face
  3. The angle, or pitch of the dots
  4. The spacing between the dots on the CRT faceplate

* The composition of horizontal and vertical scans create a white screen on the CRT called

  1. The "Composite-Video"
  2. The "Raster"
  3. The "Frame"
  4. The "Field"

* The expected amount of high-voltage on a monitor should be

  1. Approximately 1KV per diagonal inch for a color monitor
  2. Approximately 1.5KV per horizontal inch for a color monitor
  3. Approximately 1 KV per diagonal inch for a monochrome monitor
  4. Approximately 1 KV per horizontal inch for a monochrome monitor

* The coil of wire that runs around the circumference of a color CRT

  1. Is there to secure the CRT against vibration or movement
  2. Will slightly degauss the CRT each time it is turned on
  3. Should be normally conducting continuously during normal operation
  4. Is normally turned on by the "Thermister" for degaussing the CRT, after warm-up

* The advantage of a SVGA or XGA video system over a VGA is principally

  1. It allows for more colors than the VGA system can possibly produce
  2. It allows for more definition and colors than the normal VGA
  3. As a new technology "Green Machine" it consumes less power
  4. As a new technology "Green Machine" it can turn down or off automatically when not in use

* The advantage of a SVGA or XGA video system over a VGA is principally

  1. It allows for more colors than the VGA system can possibly produce
  2. It allows for more definition and colors than the normal VGA
  3. As a new technology "Green Machine" it consumes less power
  4. As a new technology "Green Machine" it can turn down or off automatically when not in use

* In a video monitor, the horizontal-driver transistor(s) would nearly always be found near the     __________________________.

* In a video monitor, the observation of a chip with a pair of heat-sink "wings" is most likely the     __________________________.

* The appearance of 3 identical sets of circuitry in a video monitor, is obviously the ___________________ circuits.

* While making observations with an osciloscope near the flyback-transformer of a color monitor, if the signals are a    higher frequency than 15,750 Khz, the conclusion would be that the monitor is probably a ______ or ______ type,    rather than than a ______ type.

 

Video_Systems.html - SfE-DCS, ddf - 07/20/2001