Why do screenshots taken from the same phone have different file sizes?

Question

Why do screenshots taken from the same phone have different file sizes?

In: Technology

Answer 1

here are two shopping lists:

apple, orange, apple, pear, pear

and

apple, orange, orange, orange, orange

both our shopping lists have the same number of items, 5 (like our screenshots all have the same screen size)

​

its nice to shorten things though, as then we can store more shopping lists in our notebook (or more pictures on our phone)

​

We can re-write them as:

2 apples, 1 orange, 2 pear

and

1 apple, 4 oranges

now our second shopping list is shorter than the first, we have **compressed** the data.