1 - Briefly describe overflow. When does it occur? 2 - Briefly describe underflow. When does it occur? 3 - What decimal number does the bit pattern 11001110 represent if it is a: unsigned integer? sign-magnitude integer? two's complement integer? 4 - What decimal number does the bit pattern 01001110 represent if it is a: unsigned integer? sign-magnitude integer? two's complement integer? 5 -What is the binary representation of the decimal number 5.6 assuming the IEE 754 single precision format? 6 - What decimal number does the bit pattern 0xC3A88000 represent if it is: A two's complement integer? An unsigned integer? A floating point number assuming the IEE 754 single precision format 7 - Perform the following calculations assuming that the values are 8-bit decimal integers stored in two's complement format. 10101010 + 01101101 10101001 - 01101111