6 - What decimal number does the bit pattern OxC1B00000 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 8-bit decimal integers stored in two's complement format. Be sure to consider the possibility of overflow. . [2 pts) 10110010+ 00110011 [2 pts) 10110010 - 00110011