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Multiple choice questions and answers (MCQ) based on the random scan and raster scan in computer graphics with 4 choices, correct answer and explanation.

questions

Title
What are Random scan and Raster scan techniques?

What are Random scan and Raster scan techniques?

  1. Techniques to display an image on the screen
  2. Line Drawing Techniques
  3. Polygon Drawing Techniques
  4. None of the above
discuss
Which among the following is best suited for a smooth line drawing on the screen?

Which among the following is best suited for a smooth line drawing on the screen?

  1. Random Scan Display Algorithm
  2. Raster Scan Display Algorithm
  3. Both a. and b.
  4. None of the above
discuss
Which among the following is best suited for a realistic shaded image drawing on the screen?

Which among the following is best suited for a realistic shaded image drawing on the screen?

  1. Random Scan Display Algorithm
  2. Raster Scan Display Algorithm
  3. Both a. and b.
  4. None of the above
discuss
Which of the following options is correct in accordance with the Random Scan Display Algorithm?

Which of the following options is correct in accordance with the Random Scan Display Algorithm?

  1. It is best suited for line drawing algorithm.
  2. It has a high resolution.
  3. It has an electron beam which strikes only that part of the screen where the drawing is needed.
  4. All of the above
discuss
Which among the following are the types of scanning or travelling of beam in a raster scan display technique?

Which among the following are the types of scanning or travelling of beam in a raster scan display technique?

  1. Interlaced Scanning
  2. Non- Interlaced Scanning
  3. Spiral Scanning
  4. All of the Above
discuss
In ___ a beam of an electron is moved across the screen. It moves from top to bottom considering one row at a time

In ___ a beam of an electron is moved across the screen. It moves from top to bottom considering one row at a time.

  1. Raster Scan Display
  2. Random Scan Display
  3. Both A and B
  4. None of the above mentioned
discuss
A beam of electron moves through each row, its intensity is alternatively turned ___ which helps to create a pattern of spots that are illuminated

A beam of electron moves through each row, its intensity is alternatively turned ___ which helps to create a pattern of spots that are illuminated.

  1. On and off
  2. Power interrupt
  3. Up and down
  4. All of the above mentioned
discuss
Which of the following is a better option for drawing a smooth line on the screen?

Which of the following is a better option for drawing a smooth line on the screen?

  1. Raster Scan Display
  2. Random Scan Display
  3. Both A and B
  4. None of the above mentioned
discuss
A 900 rotation can be done using the raster scan technique for transformation ___

A 900 rotation can be done using the raster scan technique for transformation ___

  1. Using coping every row of a block into a column in a new frame buffer location
  2. Using drawing a line
  3. Using refresh a frame buffer
  4. None of the above mentioned
discuss
In ___ a beam of the electron is directed only to the screen areas where any picture has to be displayed or drawn on the screen

In ___ a beam of the electron is directed only to the screen areas where any picture has to be displayed or drawn on the screen.

  1. Video Display
  2. Raster Scan Display
  3. Random Scan Display
  4. All of the above mentioned
discuss
The resolution of random scan is higher than raster scan

The resolution of random scan is higher than raster scan.

  1. True
  2. False
discuss
Raster scan systems generally use ___ to display an image

Raster scan systems generally use ___ to display an image.

  1. Frame buffer
  2. Display controller
  3. Display file program
  4. None of the These
discuss
With reference to Random Scan Display, which of the following options is correct?

With reference to Random Scan Display, which of the following options is correct?

  1. It has an electron beam that directed only to the screen areas where any picture has to be displayed.
  2. It has a good pixel amount.
  3. It's ideal for line drawing.
  4. All of the above mentioned.
discuss
Which one of the following does not fit for Random Scan and Raster Scan?

Which one of the following does not fit for Random Scan and Raster Scan?

  1. Polygon Drawing Techniques
  2. Line Drawing Techniques
  3. Techniques to display an image on the screen
  4. Only A
discuss
With reference to Random Scan Display the beam of electron moves to the left top corner of the screen to move to another frame. This motion is referred to as ___

With reference to Random Scan Display the beam of electron moves to the left top corner of the screen to move to another frame. This motion is referred to as ___

  1. Vertical retrace
  2. Horizontal retrace
  3. Scan line
  4. All of the above mentioned
discuss
total MCQs: 15

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