Electronics MCQ

Source Coding MCQ [Free PDF] – Objective Question Answer for Source Coding Quiz

    1. Uniform quantizer is also known as A. Low rise type B. Mid-rise type C. High rise type D. None of the mentioned   2. The SNR value can be increased by _____ the number of levels. A. Increasing B. Decreasing C. Does not depend on D. None of the mentioned   3. …

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Data Communication Error detection and correction MCQ [Free PDF] – Objective Question Answer for Data Communication Error detection and correction Quiz

1. In layering, n layers provide service to A. n layer B. n-1 layer C. n+1 layer D. none of the mentioned   2. Which can be used as an intermediate device between the transmitter entity and receiver entity? A. IP router B. Microwave router C. Telephone switch D. All of the mentioned   3. …

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Digital Communication MCQ [Free PDF] – Objective Question Answer for Digital Communication Quiz

1. Top layer is A. Physical media B. Application C. Design D. None of the mentioned   2. Entities also does A. Error correction B. A/D C. D/A D. All of the mentioned   3. In channel, the delay is A. Fixed B. Variable C. Fixed & Variable D. None of the mentioned   4. …

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Fading Channel MCQ [Free PDF] – Objective Question Answer for Fading Channel Quiz

1. What is the source of performance degradation? A. Thermal noise B. Man-made noise C. Natural noise D. All of the mentioned   2. The received power is attenuated by a factor called A. Path loss B. Free space loss C. Path & Free space loss D. None of the mentioned   3. Scintillation describes …

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Digital Communication Encryption and Decryption MCQ [Free PDF] – Objective Question Answer for Digital Communication Encryption and Decryption Quiz

1. In public-key cryptosystem _____ keys are used for encryption and decryption. A. Same B. Different C. Encryption Keys D. None of the mentioned   2. In the public key cryptosystem which is kept as public? A. Encryption keys B. Decryption keys C. Encryption & Decryption keys D. None of the mentioned   3. In …

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Spread Spectrum Technique MCQ [Free PDF] – Objective Question Answer for Spread Spectrum Technique Quiz

1. Pseudorandom signal ________ predicted. A. Can be B. Cannot be C. maybe D. None of the mentioned   2. The properties used for a pseudorandom sequence are A. Balance B. Run C. Correlation D. All of the mentioned   3. The shift register needs to be controlled by clock pulses. A. True B. False …

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Multiplexing MCQ [Free PDF] – Objective Question Answer for Multiplexing Quiz

1. In which modulation schemes, does the spreading of spectrum occur? A. Frequency modulation B. Amplitude modulation C. Frequency & Amplitude modulation D. None of the mentioned   2. Gaussian noise has _____ power spread _____ over all frequencies. A. Zero, uniformly B. Zero, non uniformly C. Infinite, uniformly D. Infinite, non uniformly   3. …

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Synchronization in Digital Communication MCQ [Free PDF] – Objective Question Answer for Synchronization in Digital Communication Quiz

1. In phase lock which parameter is synchronized A. Frequency B. Phase C. Frequency & Phase D. None of the mentioned   2. Coherent modulation requires ____ level of synchronization. A. One B. Two C. Three D. None of the mentioned   3. Non-coherent system requires A. Phase synchronization B. Frequency synchronization C. Phase & …

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Modulation and Coding Trade-off MCQ [Free PDF] – Objective Question Answer for Modulation Coding Trade-off Quiz

1. QPSK is a composite of A. Two BPSK B. Three BPSK C. Two FSK D. Two M-ary PSK   2. The IF transmission bandwidth of MFSK is A. M/T B. T/M C. 2M/T D. M/2   3. The bandwidth efficiency of MFSK is A. M/log2M B. log2M/M C. M/log10M D. log10M/M   4. The …

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Channel Coding MCQ [Free PDF] – Objective Question Answer for Channel Coding Quiz

1. Channel coding relates to areas such as A. Waveform coding B. Structured sequence C. Waveform coding & Structured sequence D. None of the mentioned   2. Examples of structured sequences are A. Block codes B. Convolutional codes C. Turbo codes D. All of the mentioned   3. Antipodal signals are A. Mirror images B. …

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