Video Source # 2
Electronic Communication System.
Basic electronic communication systems have a transmitter, communication channel / medium. and a receiver. In electronic communication system, message is referred as information / Data / signal.
Data is the information to be sent, such as text, numbers, images, audio, and video. delivery accuracy Timeliness Jitter Error detection & Correction
Transmission Mode / Data Flow:
It is the exchange of information / data from source to destination. The way in which data is transmitted from one device to another device is known as transmission mode.
- Simplex Mode
- Half Duplex Mode
- Full Duplex Mode
It is unidirectional communication / one way communication. Only one device can send and other can receive. Reply is not allowed.
- TV transmission
- Keyboard to Computer
- Computer to Monitor (not touch Screen)
Half Duplex Mode:
It is bidirectional communication / two way communication. Only one device can send and receive data at a time. Walkie-talkies.
Full Duplex Mode:
It is bidirectional communication / two way communication. Both devices can send and receive.
- Mobile Communication
- Computer to Monitor (touch Screen)