When two numbers of n digits each are added and the sum occupies n + 1 digits, the situation is called-
When two numbers of n digits each are added and the sum occupies n + 1 digits, the situation is called overflow.
The exponent is too large to be represented in the exponent field.
Overflowoccurs when there are insufficient bits in a binary number representation to portray the result of an arithmetic operation. Overflow occurs because computer arithmetic is not closed with respect to addition, subtraction, multiplication, or division.