Writing

You will find some advantages and some disadvantages of a network. Link them as in the example.

Example:

Linking some of the advantages and disadvantages of a network.

1. Although networks allow data to be shared, they permit viruses to spread quickly.

2. Users can share software on the server; however server failure means that no one can work.

3. Networks are more vulnerable to viruses; however it is easier to check for viruses.

4. Although maintenance is easier, networks require more expertise to maintain.

5. Networks are more complex to set up; however maintenance is easier.

6. Although access to the system can be controlled, networks are more vulnerable to viruses.

7. Hardware and software can be shared; however the whole network depends on the central server.

Disadvantages

1. Hardware and software can be shared.

2. Access to the system can be controlled.

3. Networks are more complex to set up.

4. Networks are more expensive to set up.

5. Maintenance is easier.

6. Networks are more vulnerable to viruses.

7. Users can communicate easily with each other.

8. It is easier to check for viruses.

9. The whole network depends on the central server.

10. It is easier to make backups.

11. Networks require more expertise to maintain.

Ways to minimize disadvantages of a network.

1. Employ well trained computing staff.

2. Use standard systems.

3. Try to negotiate bulk discounts.

4. Use thin clients instead of full computers.

5. Install an anti-virus program on the server.

6. Schedule frequent virus checks on the server.

7. Buy a good quality server.

8. Buy as powerful a server as you can afford.

9. Purchase a server with hot-swappable components.

10. Install a RAID system on the server.

11. Have a good training scheme for computing personnel.

Unit 12 the world wide web

Vocabulary Bank Unit 12

Task 1. Read, write the translation and learn the basic vocabulary terms:

1. alter

2. amenable

3. boot destructive

4. bulletin board

5. censorship advocates

6. conferred

7. conversion routines

8. cyber censorship

9. detonator

10. devote

11. distribute

12. diverse

13. erase

14. explosion

15. facilitate

16. foreign

17. free speech supporters

18. from scratch

19. fulfil

20. heritage

21. high-energy physics

22. hire

23. household

24. illegally copied

25. infector

26. irresponsible

27. manually embedding

28. objectionable

29. obscene

30. occasional

31. offensive speech

32. on the fly

33. opposed

34. professional-looking site

35. punishable

36. rarely

37. recruit

38. related

39. replicate itself

40. request

41. retrieve

42. rigorous

43. root directory

44. search query

45. set off

46. sophisticated tools

47. sort out

48. sovereign states

49. subdirectories

50. to hinge

51. to preserve

52. trace

53. trigger

54. unlinked files

55. unsavoury material

56. unwanted program

57. virus shields

58. write-protect tab

Task 1. Read the text and translate it.