## Perform the following binary subtractions of unsigned binary numbers.

Perform the following binary subtractions of unsigned binary numbers. Convert your answer to decimal.
i) 101001012 – 010010012 ii) 110110102 – 100100112
b) Repeat the calculations above but for when the binary numbers are in two’s complement form. Comment on the results of the two methods used, noting and discrepancies.
2. Find the sums of the following unsigned hexadecimal numbers. Indicate whether or not the sum overflows an equivalent 8-bit binary result.
a) 1116 + 2216 b) 1716 + 3516 c) FA16 + CE16 d) BA16+ A1316
3. Shown below are the contents of a 16-bit resister. Determine the decimal value represented by the binary number if:
a) the binary number is unsigned b) the binary number is in two ‘s complement form.

### Match each combining form in Column A with a meaning in Column C by inserting the appropriate number in Column B

1. Match each combining form in Column A with a meaning in Column C by inserting the appropriate number in Column B Column A                           Column B                              Column C (a) cervic/o                                                                   ….

### Match each word component in Column A with a meaning in Column C by inserting the appropriate number in Column B.

1. Match each word component in Column A with a meaning in Column C by inserting the appropriate number in Column B. Column A                           Column B                              Column C (a) aden/o                                                                 ….

### Match each combining form in Column A with a meaning in Column C by inserting the appropriate number in Column B.

Match each combining form in Column A with a meaning in Column C by inserting the appropriate number in Column B. Column A                           Column B                              Column C (a) abdomin/o                                                                 1…..