Multiple choice technology web technology What was the keyboard connector on the original Macintosh? ADB PS/2 9-pin DIN RJ11 Reveal answer Fill a bubble to check yourself D Correct answer Explanation The original 1984 Macintosh used a unique RJ-11 telephone connector for its keyboard. This was before Apple introduced ADB (Apple Desktop Bus) in later Mac models, making RJ-11 distinctive to the original Mac.