What is the range of the pixels in a Grayscale images?

Computer Graphics - Quiz(MCQ)

0 - 1

210

0 - 255

None of the above

Correct Answer : 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.

Recently Updated in Computer Graphics Questions

The phase of determining the appropriate pixels for representing images or graphics object is called as_____.

Scaling

Rasterization

Translation

Transformation

Correct Answer : Rasterization

Explaination : The phase of determining the appropriate pixels for representing images or graphics objects is called rasterization.

The process of displaying 3D into a 2D display unit is called as___.

Resolution

Rasterization

Transformation

Projection

Correct Answer : Projection

Explanation : The process of displaying 3D into a 2D display unit is called a projection. The projection changes 3D objects into a 2D projection plane.

The video device with reduced volume, power consumption and weight is____.

CRT

Portable display

Flat-panel display

None of the above

Correct Answer : Flat-panel display

Explanation : The Flat-Panel display refers to a class of video devices with reduced volume, weight and power requirement compared to CRT.

Example: Small T.V. monitor, calculator, pocket video games, laptop computers, an advertisement board in an elevator.