Digital Communications Multiple Choice Questions on “Digital communication system”. 1. What are the main features of a receiver?A. SynchronizationB. Multiple […]
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Digital Communications Multiple Choice Questions on “Equalization “. 1. Channel’s phase response must be a linear function ofA. TimeB. FrequencyC.
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Digital Communications Multiple Choice Questions on “Trellis coded modulation”. 1. Adding improvement to the signal subset choice by starting with
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Digital Communications Multiple Choice Questions on “Cellular systems”. 1. In the case of direct CDMA, interference will occur if the
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Digital Communications Multiple Choice Questions on “Interpolation”. 1. Interpolation is done by A. Curve fitting B. Regression analysis C. Curve
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tough Digital Communication Questions & Answers on “Digital Communication System”. 1. Which are the common transmission media used in digital
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Digital Communication test on “Equalization and Non Coherent Detection”. 1. The range of amplitude difference gives the value ofA. WidthB.
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Digital Communication Question Bank on “PAM, PWM and TDM” 1. Flat top sampling of low pass signalsA. Gives rise to
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Digital Communications Multiple Choice Questions on “Cipher Systems and secrecy of cipher systems”. 1. Cryptosystems are used forA. PrivacyB. AuthenticationC.
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Digital Communications Multiple Choice Questions on “Information and Coding”. 1. Self information should beA. PositiveB. NegativeC. Positive & NegativeD. None
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Digital Communications Multiple Choice Questions on “Types of Processes”. 1. A stationary stochastic process hasA. Finite energy signalB. Infinite zero
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Digital Communications Multiple Choice Questions on “Digital bandpass modulation techniques”. 1. Wavelength and antenna size are related asA. λ/2B. λ/4C.
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Digital Communications Multiple Choice Questions on “Modulation and Multiplexing”. 1. Properties used to determine stream’s fidelityA. Sampling rateB. Bit depthC.
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Digital Communication aptitude tests on “Stream Encryption and Commercial Applications”. 1. Which are called as substitution encryption techniques?A. Caesar cipherB.
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Digital Communications Multiple Choice Questions on “Quantization”. 1. Spread spectrum is used forA. Encrypting signalB. Hiding signalC. Encrypting & Hiding
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