Understanding Pixels

The video tutorial explains what pixels are, defining them as the smallest controllable element of a picture on a screen. It describes how screens are composed of numerous pixels, each a square of color. The tutorial further explains the RGB color model, where each pixel contains red, green, and blue lights that vary in brightness to produce over 16 million color variations. The video concludes by acknowledging the complexity of pixels beyond the basics covered.

What are pixels commonly associated with?

• Sound systems

• Screen displays

• Mechanical devices

• Chemical reactions

How does Wikipedia define a pixel?

• An uncontrollable element of a picture

• A random element of a picture

• A large element of a picture

• A controllable element of a picture

What is the basic shape of a pixel?

• Circle

• Triangle

• Square

• Hexagon

What colors are used in pixels to create various colors?

• Red, Blue, Yellow

• Red, Green, Yellow

• Red, Green, Blue

• Red, Yellow, Blue

How many color variations can a pixel generate?

• Over 1 million

• Over 10 million

• Over 16 million

• Over 20 million

What happens when only the red and blue lights in a pixel are lit?

• The pixel appears purple

• The pixel appears green

• The pixel appears white

• The pixel appears yellow

What is the significance of RGB in pixels?

• They are the primary colors of nature

• They are the primary colors of light used in pixels

• They are the primary colors of sound

• They are the primary colors of paint

What is the overall impression of pixels as described?

• Simple and unimpressive

• Complex and impressive

• Complex and unimpressive

• Simple and impressive