[8 points] Convert the following integers, shown here using base 10 positional representation, to base 2 positional unsigned representation. Use 8 bits. 1. a. 39 b. 57 2. [8 points] Convert the following integers, shown here using base 10 positional representation, to two's complement representation. Use 8 bits. Of course, the integers are negative, so their two's complement representation will represent a negative integer. a-39 b. 57