Image Processing

What is a pixel?

• Tiny squares of colour on a screen.
• A fairy like creature that lives in a forest.
• A whole picture.
• A binary code.

What happens the further you zoom in on a picture?

• The less pixels you can see.
• The pixels are easier to see.
• The pixels jump.
• The pixels swap places.

Which of the following is an image file format?

• .ppt
• .avi
• .gif
• .mpg

Which image file format will NOT let you have a transparent background?

• GIF

• BMP

• JPG

Which file format has the lowest quality?

• BMP

• JPG

• GIF

Which file formats have the highest quality? (choose 2!)

• BMP

• GIF

• JPG

Would I use JPG for a cinema poster?

• Yes

• No

Would I use GIF for a website banner?

• Yes

• No

Which file type supports animation and transparency?

• GIF
• JPG
• PNG
• EPS

An athletic company wants to use an animated graphic on its website.
Which file is the best option to use?

• sport.jpg
• sport.gif