A computer network is a group of devices connected with each other through a transmission medium such as wires, cables etc. These devices can be computers, printers, scanners, Fax machines etc. The purpose of having computer network is to send and receive data stored in other devices over the network.

Background Study and Revision - Data Communication and Computer Network

In this “Background Study and Revision - Data Communication and Computer Network” you will learn about following topics:

  1. Introduction and Necessity of Computer Networking
  2. Networks Goal/Motivation
  3. Network Protocol
  4. Networking Model
  5. OSI Model
  6. Internet Model
  7. Application and Uses of Networks




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BCA 6th Semester DCCN (Data Communication And Computer Network) Notes Pdf:

  1. Unit II: Data Transmission - Data Communication And Computer Network
  2. Unit III: Multiplexing And Switching - Data Communication And Computer Network
  3. Unit IV: Reference Model - Data Communication And Computer Network
  4. Unit V: Physical Layers And Its Design Issues - Data Communication And Computer Network
  5. Unit VI: Data Link Layer - Data Communication And Computer Network
  6. Unit VII: TCP/IP Reference Model - Data Communication And Computer Network
  7. Unit VIII: Network Layer And Internet Layer - Data Communication And Computer Network
  8. Unit IX: Network Servers - Data Communication And Computer Network
  9. Unit X: VPN And Network Security - Data Communication And Computer Network