Data Communication and Network

Sindh Board > Class 9 > Computer Science (Total Videos: 225)

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Chapter 4: Data Communication and Network (45 videos)   (Practice Test)
4.1: Basics of Data Communication  (Practice Test)
  1. Difference between Data and Information
  2. What is data communication
  3. Data communication terminologies
  4. Signal
  5. Data Rate , Baud Rate
  6. How to calculate baud rate
  7. SNR : Sound to Noise Ratio
  8. compoents of communication System
  9. Properties of Good communication System
4.2: Transmission Medium  (Practice Test)
  1. STP : Ethernet : Twisted Pair Cable
  2. Co-axial Cable
  3. Optical Fibers
  4. Wireless media : Microwave Transmission
  5. Wireless media : Radio waves and Infrared
  6. How noise affect communication quality : Cross Talk
  7. attenuation and distortions
4.3: Communication Devices  (Practice Test)
  1. Switch/Access Point
  2. Router
  3. Dial-Up Modem
  4. Dial-Up Line
  5. DSL
  6. ISDN
  7. Network Interface Card
4.4: Basics of Computer Networks  (Practice Test)
  1. What is Computer Network
  2. Types of Networking w.r.t Area: LAN, WAN, MAN
4.5: Fundamentals of Topologies  (Practice Test)
  1. What is Network Topology
  2. Tree Topology
  3. Network Topology : Advantages and Disadvantages
  4. More on Network Topology : Advantages and Disadvantages
4.6: Standard organization
  1. Network Standards
4.7: Network Architecture  (Practice Test)
  1. What is OSI Model : Over view
  2. Physical Layer
  3. Data Link Layer
  4. Network Layer
  5. Transport Layer
  6. Session Layer
  7. Presentation Layer
  8. Application Layer
  9. Seven Layers of OSI Model
  10. More on OSI Model
  11. Transmission Control Protocol / Internet Protocol
  12. TCP/IP Architecture
4.8: Network Addresses  (Practice Test)
  1. Internet Protocol Address
  2. Classesof IP Adderess
  3. More on Classes of IP Adderesses