Image File Formats

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.

When we have a 'one-bit' colour, which are the only two binary numbers that are possibilities?

• 00 and 11
• 000 and 111
• 0 and 1
• 0000 and 1111

How many different colour combinations are there for a '2 bit' colour?

• 8
• 4
• 16
• 2

Which of the following is an image file format?

• .ppt
• .avi
• .gif
• .mpg

Which file type is good for icons and logos but not photographs?

• GIF
• JPG
• PNG
• EPS

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

An athletic company wants to use the highest quality photograph for their print advertisement. Which file is the best option to use?

• sport.jpg
• sport.gif

Miss Solly is taking pictures of her sister at the zoo to post on her family website. Which file format would be most appropriate?

• JPEG
• GIF