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Data Communication
Federal Board > Class 9 > Computer Science (
Total Videos: 148
)
All Chapters
Chapter 1: Fundamentals of Computer
Chapter 2: Fundamentals of Operating System
Chapter 3: Office Automation
Chapter 4: Data Communication
Chapter 5: Computer Networks
Chapter 6: Computer Security and Ethics
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Select a chapter above and press 'Show Content'. Click a video topic below to view.
Chapter 4: Data Communication (
22 videos
)
  (
Practice Test
)
4.1: Data Communication (
Practice Test
)
What is data communication
Data communication terminologies
Properties of Good communication System
Synchoronous and Asynchoronous Transmission
Comparison between Synchoronous and Asynchronous
4.2: Transmission Media (
Practice Test
)
STP : Ethernet : Twisted Pair Cable
Co-axial Cable
Optical Fibers
Wireless media : Radio waves and Infrared
Wireless media : Microwave Transmission
Satellite Communication
Short distance Wireless technologies
How noise affect communication quality : Cross Talk
attenuation and distortions
4.3: Communication Devices
Dial-Up Modem
Network Interface Card
Router
Switch/Access Point
4.4: Communication Terminologies
Data Rate , Baud Rate
How to calculate baud rate
What is Bandwidth
SNR : Sound to Noise Ratio
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