Understanding Pixels and Images

What does "image resolution" mean in digital images?

• The number of colours in an image

• The number of pixels in an image

• The size of the image file

• The speed at which an image loads

Which unit is used to measure image resolution?

• Kilometres

• Megabytes

• Pixels per inch (PPI)

• Litres

What is colour depth in an image?

• The number of pixels in an image

• The number of bits used to represent the colour of a single pixel

• The physical size of the image

• The speed at which an image is processed

Which colour depth allows for the most colours?

• 8-bit

• 16-bit

• 24-bit

• 32-bit

What is the primary advantage of the JPEG format?

• It supports animation

• It has a small file size due to lossy compression

• It supports transparency

• It is a vector format

Which image format is used for simple animations?

• BMP

• TIFF

• GIF

• RAW

Who invented the concept of the pixel?

• Albert Einstein

• Steve Jobs

• Russell Kirsch

• Bill Gates

In what year was the first digital image created using pixels?

• 1957

• 1965

• 1972

• 1980

What does "BMP" stand for in digital image formats?

• Bitmap

• Bitmapped

• Bitmop

• Bitmaple

Which of the following does NOT affect image quality?

• Image resolution

• Colour depth

• File format

• Screen brightness