Pixels and File Types Quiz 1st Period

What is a pixel?

• A small color tile used in traditional artwork

• The smallest unit of a digital image

• A camera lens feature

• A file format for images

How do pixels combine to form an image?

• They blend together using light reflection

• They are placed in random positions on a screen

• They are arranged in a grid and display different colors

• Pixels do not form images

What does the term "resolution" refer to in digital images?

• The number of colors in the image

• The amount of detail an image can show

• The speed at which an image loads

• The type of file format used for the image

A higher resolution means:

• The image contains fewer pixels

• The image contains more pixels, resulting in better detail

• The image will load faster online

• The image takes up less space on a hard drive

What is the most common image format used for photos on the web?

• PNG

• TIFF

• JPEG

• RAW

Which of the following file formats uses lossy compression?

• PNG

• JPEG

• TIFF

• RAW

Which format is best for images with transparent backgrounds?

• JPEG

• PNG

• TIFF

• RAW

Which image format retains all data and is often used for professional printing?

• PNG

• JPEG

• TIFF

• GIF

What does "lossy compression" mean?

• The image file is compressed without losing any data

• The image loses some detail to reduce the file size

• The image gains additional pixels during compression

• The image file becomes unreadable after compression

In which format do cameras typically capture unprocessed image data?

• RAW

• JPEG

• PNG

• TIFF