Visualizing 2s Comp. Addition Values 4-bit twos comp. Range from -8 to +7 Wraps Around If sum≥2W-1 Becomes negative If sum <-2W1 Becomes positive10 Visualizing 2’s Comp. Addition • Values – 4-bit two’s comp. – Range from -8 to +7 • Wraps Around – If sum  2 w-1 • Becomes negative – If sum < –2 w–1 • Becomes positive