1. What decimal number does the bit pattern 0x0C000000 represent if it is a two's complement integer? An unsigned integer? (10 points) 2. Write down the binary representation of the decimal numbers 63.25 and - 0.75 assuming the IEEE 754 single precision floating-point format. (20 points) 3. What is the result of adding the following two IEEE 754 single-precision floating-point registers? (20 points) 0 01111101 00000000000000000000000 0 10000101 10010000000000000000000 4. What is the result of subtracting the following two IEEE 754 single- precision floating-point registers? (20 points) 0 10000001 10010001000000000000000 0 10000000 11100000000000000000000 5. Find the result of the following floating-point Multiplication (mantissa is only 4 bits). (20 points) 0 10000100 0100 1 00111100 1100 6. Obtain the result of addition the following two IEEE 754 single-precision floating-point registers, using rounding. (10 points) 1 10000000 1 10000010 11000000000000000011111 11100000000000000001001