3. Noise)

5. 1.
source)

9. 3. channel)

11. 5. decoding)

12. filter)

13. Data Communication
Networks)

14. 1.
2.
3.
4.
5.
6.

15. 1.
1
120
200 40

18. 4.

19. (MODES OF DATA
TRANSMISSION)

20. gap)
1 start bit)
1 stop bit)
8
1 8
1

21. gap)

22. 2
serial
data transmission)

23. 1
1
1
1

25. 2
8

28. 3
1.
Simplex Transmission)
e-mail

30. 2.
Half Duplex
Transmission) 2

31. 3.
Full Duplex Transmission)
2

33. 1. Digitals
signal)
Discrete)
0 1

34. Signal)

36. 1. (Terminal)
(Personal Computer)

37. Internet)

38. 3. (Repeater)

42. FM

47. ^-^

49. ^-^

51. ^-^

53. ^-^

55. ^-^