1.1.18 Concept Questions

Question: Put the following events from computer history in the order they happened:

Answer:

Question: Which of the following is the correct binary representation of the number 2?

1. 101

2. B. 11

3. C. 10

4. D. 110

5. Answer: Answer: 10

6. Explanation:

7. 10 in binary is the same as 2 in decimal.

8. 11 in binary is the same as 3 in decimal.

9. 101 in binary is the same as 5 in decimal.

10. 110 in binary is the same as 6 in decimal

11. Question: Arrange the following from smallest to largest.

12. Answer: Kilobyte

13. Megabyte

14. Gigabyte

15. Terabyte

16. Question: How many bits are in a single byte?

17. Answer: 8

18. Question: Which of the following is the best definition of a bit?

19. A. A physical signal that becomes a digital signal

20. B. An electrical signal in a wire

21. C. A single 1 or 0 in a digital signal

22. D. A measure of computer graphics and sound

23. Answer: Answer: A single 1 or 0 in a digital signal

24. Question: Match each feature to whether it influences audio or video quality.

25. Sampling Rate

26. Bit Depth

27. Resolution

28. Frame Rate

29. Color Depth

30. Answer: Audio- Sampling Rate, Bit Depth

31. Video- Resolution, Frame Rate, Color Depth

32. Question: Which type of digital picture is made by storing individual pixel values?

33. Answer: Raster

34. Question: Which type of digital picture can be scaled to any size without losing quality?

35. Answer: Vector

36. Question: Which kind of file would be hurt most by a lossy compression algorithm?

37. Answer: Text Document

38. Question: Match each ethical principle on the left to its definition.

39. 1- Digital Property Rights

40. 2- Confidentiality

41. 3- Human Dignity

42. 4- Civility

43. Answer: