Data Communication & Network|教育線上App不用買

This unique free application is for all students across the world. It covers 239 topics of Data Communication and Network in detail. These 239 topics are divided in 5 units.

Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

Some of topics Covered in this application are:

1. Introduction to digital Communication

2. Data Communication Components

3. Data flow in Data Communication

4. NETWORKS CRITERIA

5. Connection Types

6. Network Topology

7. Local Area Network

8. Wide Area Network

9. Metropolitan Area Networks(MAN)

10. The OSI Model

11. The TCP/IP model

12. Difference between OSI model and TCP/IP model

13. Connection-oriented Services

14. Connection-less Services

15. Network Standardization

16. ISO (International Standards Organization).

17. The ARPANET

18. NSFNET

19. Pulse Code Modulation (PCM)

20. Sampling

21. Quantization

22. Delta Modulation (DM)

23. TRANSMISSION MODES

24. Parallel Transmission

25. Serial Transmission

26. X.21 Interface

27. X.21 Protocol Operation

28. ETHERNET

29. STANDARD ETHERNET

30. STANDARD ETHERNET-FRAME LENGTH

31. STANDARD ETHERNET-ADDRESSING

32. STANDARD ETHERNET-ADDRESSING

33. STANDARD ETHERNET-PHYSICAL LAYER

34. FAST ETHERNET

35. FAST ETHERNET-PHYSICAL LAYER

36. FAST ETHERNET-PHYSICAL LAYER-ENCODING

37. GIGABIT ETHERNET

38. GIGABIT ETHERNET-Physical Layer

39. Ten-Gigabit Ethernet

40. Magnetic Media

41. Twisted Pair

42. Coaxial Cable

43. Fiber Optics

44. Fiber Cables

45. Fiber Optic Networks

46. Comparison of Fiber Optics and Copper Wire

47. MULTIPLEXING.

48. Frequency-Division Multiplexing

49. Wavelength-Division Multiplexing

50. Time-Division Multiplexing

51. Time-Division Multiplexing

52. Synchronous Time-Division Multiplexing

53. Interleaving Time-Division Multiplexing

54. Digital Signal Service

55. T Lines

56. Switching

57. Types of Switching

58. Circuit-switched networks

59. Phases of Circuit-switched networks

60. Datagram Networks

61. Virtual-circuit network addressing

62. RS-232

63. RS 232 Lines and their usage

64. Development of RS 232

65. RS232 handshaking with XON/XOFF

66. RS-232 Signals and RS232 voltage levels

67. RS 232 Handshaking

68. RS232 Serial Loopback Connections

69. RS232 Serial Data Cables and Pin Connections

70. RS-422 serial transmission

71. RS449 Basics, Interface

72. RS449 Primary connector pinout, Interface

73. RS-485

74. ISDN

75. ISDN Architecture

76. ISDN channels.

77. ISDN Services

78. Types of Errors

79. Error-Correcting Codes

80. Error-Detecting Codes

81. FRAMING

82. Variable-Size Framing

83. Flow Control

84. Error Control

85. CLASSIFICATION OF PROTOCOLS

86. Simplest Protocol

87. Stop-and-Wait Protocol

88. Stop-and-Wait Automatic Repeat Request

89. Go-Back-N Automatic Repeat Request

90. Selective Repeat Automatic Repeat Request

91. Piggybacking

92. HIGH-LEVEL DATA LINK CONTROL (HDLC)

93. HDLC-Frame Structure

94. Point-to-point protocol

95. Point-to-point protocol-framing

96. Other data link control protocols

97. ALOHA

98. Vulnerable time for Pure ALOHA

99. Slotted ALOHA

100. Carrier Sense Multiple Access (CSMA).

101. Vulnerable Time for Carrier Sense Multiple Access (CSMA)

102. Persistence Methods for Carrier Sense Multiple Access (CSMA)

103. Carrier Sense Multiple Access with Collision Detection (CSMA/CD)-

104. CSMA/CD Frame Size

105. CSMA/CD Procedure

106. CSMA/CD Energy Level

All topics are not listed because of character limitations set by the Play Store.

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