Source Coding MCQ 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 …
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1. Spread spectrum is used for A. Encrypting signal B. Hiding signal C. Encrypting & Hiding signal D. None of the mentioned 2. Which is a quantization process? A. Rounding B. Truncation C. Rounding & Truncation D. None of the mentioned 3. Quantization is a _____ process. A. Few to few mapping B. …
Error detection and correction MCQ 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. …
1. Self-information should be A. Positive B. Negative C. Positive & Negative D. None of the mentioned 2. The unit of average mutual information is A. Bits B. Bytes C. Bits per symbol D. Bytes per symbol 3. When the probability of error during transmission is 0.5, it indicates that A. Channel is …
1. Interpolation is done by A. Curve fitting B. Regression analysis C. Curve fitting & Regression analysis D. None of the mentioned 2. Interpolation provides a mean for estimating functions A. At the beginning points B. At the ending points C. At the intermediate points D. None of the mentioned 3. Interpolation methods …
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1. While recovering signal, which gets attenuated more? A. Low-frequency component B. High-frequency component C. Low & High-frequency component D. None of the mentioned 2. Mutual information should be A. Positive B. Negative C. Positive & Negative D. None of the mentioned 3. ASCII code is a A. Fixed length code B. Variable-length …
Digital Communication MCQ 1. Top layer of OSI model 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 …
1. ISDN integrates speech and data on A. Different lines B. Same lines C. Different & Same lines D. None of the mentioned 2. ISDN is a A. Packet-switched network B. Circuit-switched telephone network C. Packet-switched & Circuit-switched telephone network D. None of the mentioned 3. Circuit-switched connection is provided for A. Voice …
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1. Which method is much better and more efficient? A. Vector quantization B. Scalar quantization C. Vector & Scalar quantization D. None of the mentioned 2. Analog source coding methods are A. Temporal waveform coding B. Spectral waveform coding C. Model-based coding D. All of the mentioned 3. The source output in PCM …
1. Protocol is a set of A. Formats B. Procedures C. Formats & Procedures D. None of the mentioned 2. The time required to transmit the frame depends on A. Frame size B. Channel capacity C. Frame size & Channel capacity D. None of the mentioned 3. Window was given the number of …
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