• Assume numbers are represented in 8-bit twos complement representation. Show the calculations of the following.
• a. 6+13 
• b. -6+13 
• c. 6-13 
• d.-6-13
• a. 111000 -110011
• b. 11001100 -101110
• c. 111100001111 -110011110011
• d. 11000011 -11101000

Incomplete question

20. Assume numbers are represented in 8-bit twos complement representation. Convert to binary and show the calculation. Also indicate if the operation results in a carry bit, and/or if it is a case of overflow. a. 6+13 b. -6+13 c. 6-13 d. -6-13 21. Find the following differences using twos complement arithmetic. Also indicate if the operation results in a carry bit, and/or if it is a case of overflow. a. 111000 -110011 b. 11001100 -101110 c. 111100001111 110011110011 11000011 -11101000