1. Another method of representing signed numbers is two's complement. Most computers use this method to represent negative numbers.

2. With two's complement, the bit at the far left of the bit pattern - the most significant bit or MSB - is used to __________________

3. In twos complement positive numbers always start with a 1.

4. A four-bit, positive, two's complement number could hold a maximum value of _________

5. 1111 in two's complement would be:

6. The number -8 would be represented in two's complement as:

7. Read the rules (below) for using two's complement for negative numbers. What is the missing step #4?

8. What should happen in step 3? (to convert -1 into twos complement)

9. Look at the following calculation to convert -4 into two's complement. Is it correct? Which statement is true?

10. What is the two's complement four bit binary number 0001?

11. What is the two's complement four bit binary number 0110?

12. What is the two's complement four bit binary number 1011?

13. What is +2 in two's complement binary? (four bits)

14. Positive 2 in two's complement binary (using eight bits) would be 01110010

15. How would you represent the positive integer 256 in eight bits (two's complement format)?

16. Why is it not possible to represent the number 54 in four bits (two's complement)?

17. The following representation is minus 74 in:

18. The following number is -74 in two's complement: 10110110

19. The following calculation that converts -9 into two's complement is correct?

20. Is this calculation, that converts -105 to two's complement, correct?