DATA COMMUNICATION QUESTION PAPER
All university question paper of data communication.
DATA COMMUNICATION BASIC KNOWLEDGE
BASIC OBJECTIVE: 1. To introduce fundamental communication models. 2. To discuss various time domain and frequency domain concepts of data communication Data Transmission: Communication model Simplex, half duplex and full duplex transmission - Periodic Analog signals: Sine wave, phase, wavelength, time and frequency domain, bandwidth - Digital Signals; Digital data Transmission:- Analog & Digital data, Analog & Digital signals, Analog &Digital transmission – Transmission Impairments: Attenuation, Delay distortion, Noise - Channel capacity: Nyquist Bandwidth, Shannon's Capacity formula