Problem 5 (3 pts) a) In 2s complement, how many distinct numbers can be represented using 32 bits? b) What is the largest unsigned integer that may be represented using 32 bits? c) What is the minimum number of bits is required to represent the number-121 in 2's complement? Problem 6(2 pts): For the following 8-bit 2's complement numbers, perform the stated operation. Show your work for full credit. (a) 01000110-00100100 (b) 01010011+01011101