Is it hard to find the answer to “Basic input system” of Mystic Words game? The main aim in Mystic words is to find the 7 mystic words using the provided clues. Along with 7 clues, the number of letters in the word that needs to be figured out is also given. Using both these clues, the player tries to find the word. Give it another try to find the answer for Basic input system, it has 4 letters. Below