Which of the following addition problems cannot be solved accurately when using a floating point system in which each value is encoded by a byte whose most significant bit is the sign bit, the next three bits represent the exponent field in excess notation, and the last four bits represent the mantissa? A. 21/2+1 3/8 B. 31/2+41/2 C. 7+3/4 A only A and B

Imagine that there was a IEEE standard for 7-bit floating-point numbers with 3 bits for the exponent and 3 bits for the fraction and bias equal to 3. What would be the exact value in decimal of the bitstring under such a format? Your Answer: Answer 1110101