Which of the following is Justin Bieber's favorite computer?

Explanation

Justin Bieber's favorite entertainment: Rocky (movie), Beverly Cleary (author), All American Rejects (band), Are You Smarter than a 5th Grader (TV show), Friends (TV show), Mac (computer), iPhone (phone), X-box (video game console), Halo 3 (video game), NBA2K (video game).