KERALA UNIVERSITY Class 4 data communication Question Paper 2022

Practice authentic previous year questions for better exam preparation.

Sample Questions

Mention the purpose of cladding in Optical Fibers
What is meanl by Transmission impaiments?
What is the channel capacity for a teleprinter channel with a 300 Hz bandwidth and a signal-lo- noise ratio of 3 dB , where the noise is white thermal noise?
(a) Distinguish bebween Terrestrial microwaves and Salellie microwaves, 5
(b) What is Bandwidth? A periodic signal has a Bandwidth of 20 Hz . The highest frequency is 60 Hz . What is the lowest frequency? Draw the spectrum if the signal contains all frequencies of same amplitude.