images Flashcards
1
Q
How are images stored?
A
As pixels
2
Q
How are pixels represented?
A
In Binary
3
Q
What effect does more pixels cause?
A
More colours available
4
Q
What increases file size?
A
Greater resolution
Greater colour depth
5
Q
What is colour depth?
A
The number of bits per pixel
6
Q
What is Resolution?
A
Number of pixels in the image
7
Q
How do you get a higher image quality?
A
Greater image resolution
Greater colour depth
8
Q
What is the impact of a higher image quality?
A
Larger file size
9
Q
Define metadata
A
Additional information stored in an image file
10
Q
Why is metadata important
A
It is needed to recreate the image
11
Q
What data is stored as metadata
A
File format
Height
Width
Colour depth
Resolution
