MCQ | Introduction to Computer Graphics

Multiple choice questions and answers (MCQ) based on the Introduction to Computer Graphics with 4 choices, correct answer and explanation.
Submitted by Monika Sharma, on June 12, 2020

Question 1: What is the range of the pixels in a Grayscale images?

  1. 0 - 1
  2. 0 - 255
  3. 0 - 210
  4. None of the above

Answer: b. 0 - 255

Explanation:

The pixel value of the grayscale image defines the brightness of the pixel. Here, the pixel value is stored as a byte value, i.e. an 8-bit value. Hence, the value of every pixel in a grayscale image ranges from 0 to 255.


Question 2: The RGB image is known as the true color image. What does RGB stand for?

  1. Real grey Black Image
  2. Red greyed Background Image
  3. Red Green Blue image
  4. None of the above

Answer: c. Red Green Blue Image

Explanation:

The RGB Image which is also known as the true color image or the tri-color image stands for Red- Green- Blue image. This is because an RGB image can be viewed as three different color images: Red Green and Blue.


Question 3: What is the pixel range for an RGB image?
Or
What is the minimum and maximum possible value for each of the pixels of an RGB image?

  1. 0 - 23
  2. 0 - 224
  3. 0 - 1
  4. None of the above

Answer: d. None of the above

Explanation:

The RGB image has three different values for each color band, and the range of each color is 0 to 255. Hence, an RGB image is stored in a 3-dimensional array where each dimension represents one of the colors, with a value lying between 0 - 255.


Question 4: Which of the following options is not correct according to the definition of Computer Graphics?

  1. Computer Graphics is used for animation purposes.
  2. Computer graphics can be used to provide better user interface.
  3. Computer graphics can improve the sound quality of a video
  4. None of the above

Answer: c. Computer graphics can improve the sound quality of a video

Explanation:

Computer graphics has nothing to do with the audio of any device. Its sole purpose is to deal with the imaging and animations part.


Question 5: "The term GRAPHICS in computer graphics is made up of graphs and pics."
Based on the above statement, determine whether the following condition is true or false.
"Computer games development does not include computer graphics as there are no graphs and pics in it."

  1. True
  2. False

Answer: b. False

Explanation:

The game development does include a lot of graphics work for all the animations and interfaces.







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