3. Use a truth table (either by hand or with a computer program) to prove the commutative laws for ^ and v. 4. Use a truth table (either by hand or with a computer program) to prove the associative laws for ^ and v. 5. Use a truth table (either by hand or with a computer program) to prove the distributive laws. 6. Use a truth table (either by hand or with a computer program) to prove the absorption laws. 6. (10 points) What is the basic difference between a Von Neumann Architecture and a Harvard Architecture? Why did Harvard change their approach to computer design?