Which of the following statements about overflow and underflow in numerical calculations is correct? (Multiple choice)
A . Underflow occurs when the number close to zero Is rounded to zero
B . Overflow occurs when the number close to zero 1s rounded to zero
C . Overflow occurs when a large number of levels are approximated as 1P or – 1P
D . Underflow occurs when a large number of levels are approximated as 1P or – 1P
Answer: A C