Name the four main types of logic gate.

Sketch a NOT gate.

Draw the truth table for a NOT gate.

Describe what a NOT gate does.

Which logic gate has only one input?

Sketch an AND gate.

Draw the truth table for an AND gate.

Describe what an AND gate does.

Sketch an OR gate.

Draw the truth table for an OR gate.

Describe what an OR gate does.

Sketch a XOR gate.

Draw the truth table for a XOR gate.

Describe what a XOR gate does.

Which logic gate is this?

Which logic gate is this?

Which logic gate is this?

Which logic gate is this?

Look at the following logic circuit. If a, b and c are all true, what is the output?

Draw a truth table for the following logic circuit:

For each type of logic gate, write the boolean algebraic expression.