Digital Communications Objective Questions

Digital Communications Multiple Choice Questions on “Signals”. 1. In the digital communication system, signals in different frequency bands areA. OrthogonalB. […]

Digital Communications Multiple Choice Questions on “Coherent detection”. 1. The correlating detector is also known asA. Maximum likelihood detectorB. Minimum

Digital Communications Multiple Choice Questions on “Modulation and Entropy”. 1. PCM includes the process ofA. Amplitude discretizationB. Time discretizationC. Amplitude

Digital Communication Problems on “Spread Spectrum “. 1. Spread spectrum is a ______ technique.A. EncodingB. DecodingC. Encoding & DecodingD. None

tricky Digital Communication Questions & Answers on “Quantization”. 1. Uniform quantizer is also known as A. Low rise type B.

Digital Communications Multiple Choice Questions on “Formatting analog information”. 1. The sampling process includes methods such asA. FilteringB. Sample and

Digital Communications Multiple Choice Questions on “M-ary signalling and performance”. 1. The limit which represents the threshold Eb/N0 value below

Digital Communications Multiple Choice Questions on “Modulation Techniques”. 1. Average energy per bit is given byA. average energy symbol/log2 MB.

Digital Communications Multiple Choice Questions on “Public key cryptosystem – 1”. 1. In public key cryptosystem _____ keys are used

Digital Communications Multiple Choice Questions on “Sources of corruption”. 1. The main sources of corruption areA. Sampling and quantizing effectsB.

Digital Communications Multiple Choice Questions on “Link budget analysis”. 1. Link budget consists of calculation of A. Useful signal power

Digital Communications Multiple Choice Questions on “Synchronization and network synchronization”. 1. In phase lock which parameter is synchronizedA. FrequencyB. PhaseC.

Basic Digital Communication Questions & Answers on “Public Key Crptosystems – 2”. 1. Cipher system can be solved effectively by

Digital Communications Multiple Choice Questions on “Pulse code modulation”. 1. The signals which are obtained by encoding each quantized signal

Digital Communication quiz on “Link Budget Analysis and Error Control”. 1. Field of view is ______ to antenna gain.A. ProportionalB.