1 - [2 pts] Briefly describe overflow. When does it occur? 2 - [2 pts] Briefly describe underflow. When does it occur? 3 - What decimal number does the bit pattern 11000101 represent if it is a: [1 pts] unsigned integer? [1 pts] sign-magnitude integer? [1 pts] two's complement integer? 4 - What decimal number does the bit pattern 01011100 represent if it is a: [1 pts] unsigned integer? [1 pts] sign-magnitude integer? [1 pts] two's complement integer? 5 - [2 pts] What is the binary representation of the decimal number 6.5 assuming the IEE 754 single precision format? 6 - What decimal number does the bit pattern 0xC3A80000 represent if it is: [2 pts] A two's complement integer? [2 pts] An unsigned integer? [2 pts] A floating point number assuming the IEE 754 single precision format 7 - [3 pts] If the bit pattern 0x8CF00000 is loaded into the instruction register, what is the name and type of the assembly language instruction that will be executed? 8 - Perform the following calculations assuming that the values are 8-bit decimal integers stored in two's complement format. [2 pts] 10101010 + 01101101 [2 pts] 10101001 - 01101111