CS Edexcel 2.2b Images

A type of image composed of pixels is called a...?

Computers represent bitmap images by...

• Putting the pixels into order

• Reading and showing the colour in each pixel

• Building the image from its resolution

• Creating the file

If we could open up an image file and see its binary data, what would the data be for row TWO of this 1-bit black and white image?

What is meant by the term ‘image resolution’?

• The number of pixels in an image

• The size of the image file

• The color depth of the image

• The format of the image file

What is meant by the term ‘image definition’?

• The clarity and detail of an image

• The size of an image

• The color depth of an image

• The format of an image

What does 'DPI' stand for?

The digital alternative to 'DPI' is 'PPI'. What is the first word in this initialism?

What is meant by the term ‘Colour Depth’?

• The number of bits used to indicate the color of a single pixel

• The resolution of an image

• The brightness of a colour

• The number of colours in the image

What effect does colour depth have on an image’s quality and file size?

• Colour depth increases both the quality and file size of an image.

• Colour depth decreases the quality but increases the file size of an image.

• Colour depth increases the quality but decreases the file size of an image.

• Colour depth has no effect on the quality and file size of an image.

An image’s resolution affects its quality and file size. Which of the following statements is true?

• Higher resolution increases both quality and file size.

• Higher resolution decreases quality but increases file size.

• Higher resolution increases quality but decreases file size.

• Higher resolution decreases both quality and file size.