Two friends are playing tic-tac-toe on a 3×3 board. How many whole bits of information did the second player receive

Two friends are playing tic-tac-toe on a 3×3 board. How many whole bits of information did the second player receive after the first player made his first move?

Total 3×3 = 9 cells in the playing field
N = 2 ^ i
9 = 2 ^ i
i = 4 bits (approximately) of information received by the second player, after the first made his first move.



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