Q: Representing Images GCSE

What is the name of the blocks of colour which, when put together, forms an image?

How many colours can a 4 bit image hold?

Which of the following statements best describes bit depth?

Which of the following statements best describes image resolution?

What is another name for a 1 bit image?

If a 2 bit image’s physical size was 10px x 10px, what would be the size of the file in bits?

Carrying on from the last question, what would this file size be in bytes?
Last Question: If a 2 bit image’s physical size was 10px x 10px, what would be the size of the file in bits?

What happens if you increase the resolution of an image?

What is the file size (in bytes) of a 4 bit image with dimensions 20×20?

Which statement best describes a bitmap file?