Digital Communications Objective Questions

Digital Communication Questions for campus interviews on “TDM vs FDM”. 1. Companding is used toA. Increase the information transmission rateB. […]

Digital Communications Multiple Choice Questions on “Protocols”. 1. Protocol is a set of A. Formats B. Procedures C. Formats &

Digital Communication Puzzles on “Baseband System and Signal Transmission through Linear Systems”. 1. The process of data conversion along with

Digital Communication Questions & Answers for experienced on “Sampling and Quantization”. 1. Which filter does not have sharp output?A. Linear

Digital Communication Multiple Choice Questions & Answers on “Properties of Convolution Codes and Reed-Solomon Codes”. 1. Which distance is related

Digital Communications Multiple Choice Questions on “Spread spectrum and CDMA”. 1. Some advantages of spread spectrum areA. Low susceptibilityB. Immunity

Digital Communications Multiple Choice Questions on “Random processes”. 1. Which method is much better and efficient?A. Vector quantizationB. Scalar quantizationC.

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