1. Resolution

2. Quality of digital images

3. capacity

4. Amount of data which can be stored.

5. Speed of transfer

6. Speed data can be transferre d

7. Cd-R

8. Can be written to once

9. CD-RW

10. Can be written to many times

11. USB Pen drive

12. Solid state storage device

13. Interface

14. Change electrical voltage deal with control signals A to D

15. Sequential Access

16. You have to wind all the way through to find a file

17. Random / Direct Access

18. When you can go straight to the data file, and do not need to go through many others.

19. Transmission Media

20. Used to link computers together

21. Bandwidth

22. Measured in megabits or gigabits

23. Browser

24. Allows you to view web pages

25. Data Protection Act

26. A piece of legislation which helps to protect peoples personal data

27. Data Subject

28. Allowed to view personal data to know purposes of data being held to have incorrect data changed

29. Data User

30. Has to keep data up to date Makes sure data is kept secure Ensures only authorised staff access data

31. ASCII

32. Stores basic information about characters

33. Embedded System

34. Small scale computer systems complete with their own processors and memory

35. RAM

36. Random Access Memory

37. ROM

38. Read Only Memory

39. ALU

40. Performs mathematical calculations and logical operations

41. Control Unit

42. Fetches data from memory Decodes and carries out instructions