Optical Communication MCQs
1. What type of optical receiver is commonly used in direct detection?a) Coherent receiverb) Avalanche photodiode receiverc) PIN photodiode receiverd) Quantum dot receiver Explanation: The … Read more
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Optical sources and detectors MCQs
1. Which of the following semiconductor devices emits coherent light?a) LEDb) Phototransistorc) LASER dioded) Photodiode Answer: c) LASER diodeExplanation: LASER diodes emit coherent light due … Read more
Signal degradation in Optical Fibre MCQs
1. What is the primary cause of signal degradation in optical fibers? a) Attenuationb) Dispersionc) Interferenced) Reflection Explanation: The correct answer is (b) Dispersion. Signal … Read more
Optical Fiber Basics MCQs
1. Which model describes light as a stream of particles? a) Ray modelb) Wave modelc) Particle modeld) Photon model Answer: c) Particle model Explanation: The … Read more
Stochastic Processes MCQs
1. Which of the following best describes a stochastic process? a) A predictable sequence of eventsb) A random process involving the evolution of a system … Read more
Multiple Random Variables MCQS
1. Which term describes a collection of random variables grouped together as a single entity? A) Cumulative distribution functionB) Vector random variablesC) Marginal distributionD) Central … Read more
Probability Distributions and Expectations MCQs
1. Which probability distribution represents the number of successes in a fixed number of independent Bernoulli trials? a) Gaussianb) Poissonc) Binomiald) Exponential Answer: c) Binomial … Read more
Probability and Random Variable MCQs
1. Which method of probability introduces the concept through observing outcomes over repeated trials? a) Probability Axiomsb) Relative Frequencyc) Total Probabilityd) Bayes’ Theorem Answer: b) … Read more
IOT Design methodology MCQs
1. Which phase of the IoT design methodology involves gathering user needs and defining system functionality? a) Requirementb) Processc) Modeld) Service Answer: a) Requirement Explanation: … Read more
IoT Technologies MCQS
1. What is the primary function of a sensor in an IoT system?a) To process datab) To actuatec) To sense and collect datad) To communicate … Read more