Quiz submission record for quiz3-2-1 at Wed Jul 7 09:13:22 2004: Your Answer for Question 1: If there is no memory protection, evil users can directly manipulate instructions in programs to their own will. Memory protection can be allowed on certain blocks of code but it makes them accessing them when needed more time-consuming and complex. Your Answer for Question 2: Subnormals are floating point numbers with values between 0 and the normally closest representable number to 0 by allowing numbers with zero exponents to have nonzero significands. Your Answer for Question 3: To make rounding more accurate. 1.0 - x might truncate off desired bits, but adding back can gain them back. Your Answer for Question 4: The standard is set and has been developed after much trouble, so it might not be worth it to create a completely different standard. But software does not mesh cleanly with the hardware and a different standard could fix many imbalances between hardware and software that tend to lag performance. Your unique submission ID is quiz3-2-1-cs61c-eq-1089216802-479.