1. RULES Test retakes are Wednesday after school. You can retake the test if you got a C+ or lower. Do not call out the answer, instead walk calmly to the front of the room and hit the NO button, gently. Then, give your answer after I call on you. DO NOT RUN UP AND SMASH MY BUTTON! The top three students with the most correct answers win 6 extra credit. Anyone else with a correct answer will get 3 extra credit.

2. The main brain of a computer, which does all the thinking.

3. Central Processing Unit (CPU)

4. You are used to counting in a base-10 system, otherwise known as the __________ system.

5. Decimal system, deci- meaning of 10

6. Can you name three common types of filename extensions?

7. .doc,.xls,.ppt,.exe,.pdf,.jpg,.gif,.html, etc.

8. What does KB stand for?

9. KILObyte

10. What are the numbers used in binary to represent values of digits?

11. 0 and 1

12. What does ROM stand for?

13. READ ONLY MEMORY

14. What does CPU stand for?

15. Central Processing Unit

16. What does RAM stand for?

17. RANDOM ACCESS MEMORY

18. This is what you commonly call a folder. It’s technical name is _________________.

19. DIRECTORY

20. In binary: ___ stands for off ___ stands for on

21. In binary: 0 stands for off 1 stands for on

22. A ______ is a unit comprised of 8 bits.

23. 8 bits make a byte

24. A byte is represented by what letter?

25. A CAPITAL B

26. Bytes are counted in what system?

27. The metric system

28. The visual representation of files and folders in an operating system is called a ___________ ______.

29. Directory Tree

30. What does TB stand for?

31. Terabyte

32. How do you convert bits into bytes?

33. There are 8 bits in a byte, so to convert bits to bytes you.. DIVIDE BY EIGHT! 48 megabits = 6 megabytes 48/8 = 6

34. The topmost folder that every other folder is stored in. Its name varies from computer to computer, but it’s true name is the ______ _____________.

35. Root directory

36. This is a resource for storing information, that a program can access.

37. FILE Image.jpg = A resource for storing picture information. Photoshop.exe = A resource for storing a program Lolwut.html = A resource for storing a web page.

38. A three or four letter appendage to the end of a file is called its _________________ and allows it to be correctly paired with the program that should be opening it.

39. EXTENSION

40. What base is binary?

41. Binary is BASE-2 The only numbers are 0 and 1. That’s two numbers, so base-2.

42. A bit is represented by what letter?

43. Lowercase b

44. If your name is Jimmy Rustles and you are in my period 1 class, handing in a current event you wrote in Microsoft word, what should the filename look like?

45. P1_RustlesJ_CE.docx

46. The CPU takes ________ from things like the keyboard and mouse and turns them into _______ like words on your screen.

47. INPUT / OUTPUT

48. The piece of a computer that everything else connects into. It allows all the pieces to talk to each other to make things happen.

49. Motherboard

50. What does GB stand for?

51. GIGABYTE

52. How fast is my download speed in megabytes per second if my download speed is 64 megabits per second?

53. Divide by 8 to convert megabits into megabytes. 64/8 = 8 8MB/sec

54. What type of data does RAM store? Permanent or temporary?

55. TEMPORARY!

56. This item is where all your long term data storage is saved.

57. HARD DRIVE

58. R EVIEW QUESTIONS What are the two most common input devices?