DATA COMMUNICATION CHANNELS

DATA COMMUNICATION means exchange of data between devices of a computer with the help of cables.


SIGNAL TYPES

• Digital
• Analogue
• Hybrid

COMMUNICATION CHANNEL TYPES

• Simplex channel - One way communication.
• Half Duplex channel - Bidirectional but singular.
• Full Duplex Channel - Bi directional simultaneously.

CABLE TYPES

• Ethernet cable - Twisted pair cables.
• Co axial cable - Copper conductor surrounded by dielectric, braid and pvc sheath.
• Fiber optic cable - consists of glass core wire surrounded by cladding and protective coating.

WIRELESS COMMUNICATION CHANNELS

• Radio Waves.
• Micro Waves.
• Satellite Communications.
• Bluetooth.
• Infra red.