What does PPI refer to in digital images?

• Pixels per inch

• Pictures per inch

• Pixels per image

• Processing per inch

Which of these factors influences an image's file size?

• Resolution

• Colour depth

• The total number of pixels

• All of the above

In a black-and-white image that uses 1-bit colour depth, how many colours are possible?

• 1

• 2

• 8

• 16

How many bits are required to store a 10 × 10 pixel image with a 1-bit colour depth?

• 10

• 20

• 100

• 200

Increasing the colour depth of an image allows:

• More colours to be displayed

• A reduction in file size

• The image to become blurry

• A grayscale effect

A bitmap graphic consists of:

• Pixels arranged in a grid

• Lines and curves generated from formulas

• A compressed animation format

• A vector-based drawing

What does each individual pixel in a bitmap represent?

• A single colour

• A complete image

• A mathematical formula

• A sound wave

Which of the following is an example of an analogue image?

• A printed photograph

• A digital selfie

• An animated GIF

• A video file

In a 1-bit colour depth image, how is black typically represented in binary?

• 0

• 1

• 10

• 11

If an image has 2 bits per pixel, how many unique colours can it display?

• 2

• 4

• 8

• 16