CDA3100 Chapter 3 Exercises - You must show all work to earn full credit. 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 1100 0101 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 0101 1100 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 42 assuming the IEE 754 single precision format? 6- What decimal number does the bit pattern 0xC2280000 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 - Perform the following calculations assuming that the values are 4-bit decimal integers stored in two's complement format. Be sure to consider the possibility of overflow. [2 pts] 01011100 [2 pts] 0101-1100 8 - For the following operations: write the operands as 2's complement binary numbers then perform the addition or subtraction operation shown. Show all work in binary operating on 4-bit numbers. [1 pts] 4+2 [1 pts] 4-2 [1 pts] 2 - 4