Abstraction comes from two latin words; abs which means away and trahere which mean to draw. From the meaning itself, it is to draw away something from specific objects, individuals, group, etc. In the computer world, a programmer hides all relevant data pertaining to the relevance of a data. It is done to increase efficiency and and reduce complexity.
Answer:
I think its 4 I'm not so sure though
I'm guessing your television if it's a flat screen
