with 3 variables: A, B, and C 1 Provide a truth table for the following function definition: Four switches operate a lamp in the following way: if switches 1 and 3 are closed and switch 2 is open, or if switches 2 and 4 are closed and switch 3 is opened, or if all for switches are closed the lamp will glow. Use a Boolean value 0 to indicate a switch is open and 1 to indicate a switch is closed 2) What is the truth table for a 3 input OR gate? 3) Consider the following truth table for the function G 0 0 10 o 1 01 0 1 11 100 0 0 11 lli Provide a SOP expression for Provide aPosexpressionf or G