Understanding Image Resolution and Pixels

What is a pixel?

• A pixel is the smallest unit of a digital image or display.
• A pixel is a type of computer virus.
• A pixel is a measurement of screen size.
• A pixel is a color palette used in graphic design.

How many colors can be represented in a single pixel at one time?

• 1

• 2

What is resolution?

• Resolution is the color depth of an image.
• Resolution is the amount of detail an image holds, measured in pixels per inch (PPI) or dots per inch (DPI).
• Resolution refers to the brightness of an image.

Approximately what is the total amount of pixels in the elephant picture?

• 3,000

• 3137 x 2087

• 6.5 million

What is color depth?

• Color depth indicates the brightness of an image.
• Color depth is the number of bits per pixel that defines the range of colors in an image.
• Color depth refers to the resolution of an image.

When you increase color depth you also increase what else?

Select ALL that apply.

• Number of colors an image can display

• File size

• Quality

Select the type of metadata for an image?

Select all that apply

• File Name

• GPS Location

• Type of camera