Your computer uses 4 bits to represent decimal numbers (0, 1, 2, 3 and so on) in binary. What is the SMALLEST number for which an overflow error occur?

Your mother is sure that you were driving too fast because she knows a. when you arrived and the direction you came from. b. how long it took you to get home and how far you traveled. c. what time you left and how long it took you to get home. d. the direction you were driving and how far you traveled.