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The circuit you've provided implements the XOR function using basic logic gates. Here's a breakdown of the symbols:

• "f" boxes: These represent NOT gates. They invert the input signal. If the input is 0, the output is 1, and vice versa.
• "∧" boxes: These represent AND gates. They output 1 only if both inputs are 1. Otherwise, the output is 0.
• "∨" box: This represents an OR gate. It outputs 1 if at least one input is 1. The output is 0 only if both inputs are 0.
• Black dots: These represent connection points in the circuit. Signals flow through these points.
• "0" and "1" labels: These represent the input values for the XOR function.

This circuit effectively calculates the XOR of the two inputs, "0" and "1". The circuit uses the following logic:

1. NOT gates: The "f" boxes invert the input values: "0" becomes "1" and "1" becomes "0".
2. AND gates: The "∧" boxes perform AND operations on the inverted inputs and the original inputs.
3. OR gate: The "∨" box combines the outputs of the AND gates, resulting in the final XOR output.

This is a common way to implement XOR using standard logic gates.

You are correct! This circuit outputs 1. Here's how we can break it down:

1. Input: The inputs are 0 and 1.
2. NOT gates: The first NOT gate inverts the 0 to 1, and the second NOT gate inverts the 1 to 0.
3. AND gates:
   • The first AND gate takes the original 0 and the inverted 1, resulting in 0 (0 AND 1 = 0).
   • The second AND gate takes the original 1 and the inverted 0, resulting in 0 (1 AND 0 = 0).
4. OR gate: The OR gate combines the outputs of the AND gates (0 and 0). Since at least one input is not 0, the output of the OR gate is 1 (0 OR 0 = 1).

Therefore, the circuit outputs 1, which is the correct XOR result for inputs 0 and 1.