$$\overline{A \land B \lor C} = \overline{(1 \land 0) \lor 0} = \overline{0 \lor 0} = \overline{0} = 1$$
$$A \lor B \lor C = 1 \lor 0 \lor 0 = 1$$
$$\overline{A \lor B \land C} = \overline{1 \lor (0 \land 0)} = \overline{1 \lor 0} = \overline{1} = 0$$
$$\overline{A \lor B \lor C} = \overline{1 \lor 0 \lor 0} = \overline{1} = 0$$