Computers in society: The world of pixels

Another word for picture is ___.

• mosaic

• image

• pixel

A tiny dot of color is called a ___.

• image

• resolution

• pixel

This is a ___.

• mosaic

• pixel

The number of pixels used to make an image is called ___.

• resolution

• component

• size

Which image shows a high resolution?

• Left

• Right

A number that tells us how much red, green and blue is in a pixel is called _____.

• mosaic

• RGB value

• resolution

___ is how big or small something is.

• size

• component

• resolution

What is the RGB value for red?

• 0, 0, 0

• 255,0,0

• 0,255,255

• This one.

What are the RGB values for Green?

• 255, 255, 255

• 0, 0, 0

• 0, 255, 0

What is the size of this image? Please use the words columns and rows in your answer. ____ columns x ____rows

(a)