Appendix A

Answers to Practice Questions

Chapter 2

1. C. ¢

2. D. Unicode contains all ASCII characters.

3. D. 1111

4. B. 32

5. B. 3D

6. C. FA

7. C. #0000FF

8. B. 128

9. A. 10 hex is equal to 10 decimal.

10. B. 326GB (binary)

11. C. Unicode is used for ASCII and non-ASCII characters.

12. D. Use Character Map.

13. B. ASCII character set

14. A. Use hexadecimal values for red, green, and blue.

15. A. #FFFFFF

16. C. They are 128 bits long, with eight groups of 16 bits each.

17. A. Base 10 uses decimal values (0–9).

18. D. 101

19. B. 128

20. D. ±

Chapter 3

1. A. Floats

2. C. It has at least one decimal point.

3. C. The result is a positive number.

4. A. AND

5. B. IF x=0 AND y<0, then x>y

6. B. It can represent a variable.

7. A. wide world o

8

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