Digital Communications Objective Questions

Digital Communications Multiple Choice Questions on “Noise”. 1. SQNR can be improved by _______ sampling rate.A. IncreasingB. DecreasingC. Does not […]

Digital Communications Multiple Choice Questions on “Signals and Noises”. 1. The term heterodyning refers toA. Frequency conversionB. Frequency mixingC. Frequency

Digital Communications Multiple Choice Questions on “Concatenated and interleaving codes and its application in CD”. 1. Compact disc is used

Digital Communications Multiple Choice Questions on “Pseudo-noise sequence and jamming”. 1. Pseudorandom signal ________ predicted.A. Can beB. Cannot beC. maybeD.

Digital Communications Multiple Choice Questions on “Error detection and correction 1”. 1. In layering, n layers provide service toA. n

Digital Communication Interview Questions & Answers on “Noise -2”. 1. Which noise is useful for dithering?A. White noiseB. Pink noiseC.

Digital Communications Multiple Choice Questions on “Intersymbol interference 1”. 1. The method in which the tail of one pulse smears

Digital Communications Multiple Choice Questions on “Shannon hartley theorem and turbo codes”. 1. The minimum nyquist bandwidth needed for baseband

Digital Communications Multiple Choice Questions on “Direct sequence and frequency hopping”. 1. DS/BPSK includesA. DespreadingB. DemodulationC. Despreading & DemodulationD. None

Advanced Digital Communication Questions & Answers on “Error Detection and Correction”. 1. Which needs re-sending of signal?A. Error correctionB. Error

Digital Communications Multiple Choice Questions on “Digital communication”. 1. Digital communication is _______ to environmental changes?A. Less sensitiveB. More sensitiveC.

Digital Communication Interview Questions & Answers for experienced on “Intersymbol Interference”. 1. The likelihood ratio test is done betweenA. Likelihood

Digital Communication online quiz on “Evaluating Digital Communication System and Allocation of Communication Resources”. 1. Which refers to the presence

Digital Communications Multiple Choice Questions on “Acquisition and Tracking”. 1. Acquisition is a process of bringing two spreading signals into

Digital Communications Multiple Choice Questions on “Codes and coding technique”. 1. While recovering signal, which gets attenuated more?A. Low frequency