Science & Tech

What follows instructions, changes only what is wrong, and leaves the original blueprint intact?

I settle every wireless argument without speaking. What am I?

I turn hidden instructions into actions, but I never touch the machine. What am I?

What travels one direction through a circuit, but never moves itself?

What changes its letters to repair a mistake, yet keeps the original message alive?

I turn electrical signals into motion, one tiny step at a time. What am I?

What builds a copy of itself, letter by letter, inside every living cell?

What travels faster when its path gets shorter, yet never moves at all?

I move in tiny leaps, but never leave my place. What am I?

I turn error into certainty, yet I never change the message. What am I?