What does binary mean?
Os and 1s
O Decimals
O Digital
O User data

0s and 1s

Explanation: when you talk about binary codes you are talking about the codes made up of 1s and 0s

well cos like a ds it doesn't really die out, unlike for example, fifa, they always come out with a new version, so lets say your fifa 18 is charging you to update the teams and stuff, so, if messi were to go to real madrid (never gonna happen) it would switch messi to the other team, until the owners of fifa come out with fifa 19, then the game would eventually stop updating, and back to the ds, it doesn't really stop working after sometime because there's lots of things that it could be used for, and idk if u know what i'm saying, but long story short, samsung, represents the ds, if they still work, and people love them but not the new version, the old version still works, so they don't really force people to buy new phones, get me?

i guess the correct option is letter a.

use contrasting font sizes, but the same font style