images Flashcards
1
Q
what are images
A
images are pieces of data stored on computers - they are made of bits of data
2
Q
What is the colour of each pixel represented bystoring images
A
binary code
3
Q
how many colours do black and white images use
A
two
4
Q
how much colours are 2 bits images made up of
A
4 colours
5
Q
bitmap
A
image made up of different coloured squares
6
Q
metadata
A
data about data (width,height,bits per pixel, colour depth)
7
Q
when increasing colour depth and resolution what does it increase
A
the file size
8
Q
size of image file =
A
image height x width x colour depth (bits needed to store each pixel)
9
Q
number of bits per pixel is known as
A
colour depth
10
Q
what is image quality affected by
A
resolution
