Thursday Morning Riddle

I’m a rod or a tree branch a parent can whack;
I can turn on a light; put your train on a track;
I can bat either way; change from Windows to Mac;
And put calls through a board with a cord in a jack.

Who am I?

UPDATE: Riddle solved by Rebecca. See comments for answer.

2 Responses to “Thursday Morning Riddle”

  1. Rebecca Says:

    A switch!

  2. Bill Says:

    SWITCH is correct. Way to go, Rebecca!

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