Data Storage - Images Quiz

What is a bitmap image?

• An image made with 3D models

• An image made up of pixels in a grid, each with a colour

• A vector-based logo

• An image made only with black and white

Give an example of a bitmap file type.

• .doc

• .mp3

• .jpeg

• .exe

What is a vector image (SVG)?

• An image made of code

• An image using lines and shapes that can be resized without quality loss

• A 3D graphic

• A pixelated image

What is meant by "resolution" in images?

• The number of colours used

• The speed of an image download

• The number of pixels in the image

• The number of shapes in a vector

What is colour depth?

• The amount of grey in a black-and-white photo

• The number of bits per pixel used to represent colour

• The number of layers in an image

• The pixel width of an image

How do resolution and colour depth affect an image?

• They reduce the image quality and size

• Higher values increase image quality and file size

• They make the image load faster

• They have no impact on image quality

Which unit is most suitable for storing a digital image?

• KB

• MB

• GB

• Bit

What is metadata in an image file?

• The pixels of the image

• The image’s file path

• Data about the file such as name, size, resolution, GPS location

• The compression method

What is an advantage of vector graphics?

• They load faster

• They take up more space

• They are pixelated

• They can be resized without losing quality

Which of the following increases the file size of an image the most?

• Lowering resolution and using 8-bit colour

• Increasing resolution and colour depth

• Compressing with lossy compression

• Reducing image width