1. Find the 16-bit 2s complementary binary representation for the decimal number -1987.

2. Add the following two 12-bit binary 2s complement numbers. Then, convert each number to decimal and check the result. 101011001100 111111111100

3. Convert the following binary number to floating point format. The floating point format is IEEE 754 format. 0.000000001111112

4. For the IEEE754 format, what decimal number is represented by the following number in floating point format? C2F0000016

5. Represent the decimal number 171.625 in 32-bit IEEE 754 format.

6. The following decimal numbers are stored in excess-50 floating point format, with the decimal point to the left of the first mantissa digit. Add them. Present your result in standard decimal sign-and-magnitude notation. 05225731 04833300

7. Using the same notation as in exercise 6, multiply the following numbers. Present your answer in standard decimal notation. 05452500 04822200