Quiz submission record for quiz3-2-1 at Tue Jul 6 22:11:41 2004: Your Answer for Question 1: A person could exploit this by sending in data that seems like it is just harmless integers or floats, but in reallity the person could be sending in instructions that could be potentially harmful. One possible way to prevent this is by protecting this data from user manipulation. Your Answer for Question 2: Subnormal numbers fill the gap around zero in floating point arithmetic: any non-zero number which is smaller than the smallest normal number, which is a real number whose digits show a random distribution with all digits being equally likely. Your Answer for Question 3: The early s/360 had trouble with the lack of a guard digit in double precision. If two numbers were very close but had different exponent, subtraction dropped off the last digit of the smaller operand. So this was to keep it more precise Your Answer for Question 4: The strongest argument for IEEE 754 standards is that it is already widely implemented. While a strong arguement against it is that it has Humane exception handling. Your unique submission ID is quiz3-2-1-cs61c-et-1089177101-2957.