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Principles of Communication Engineering The Viterbi algorithm is used for: (i) Encoding cyclic codes (ii) Decoding convolutional codes (iii) Noise filtering (iv) Error detection20242mPrinciples of Communication Engineering Explain the need for error detection and correction in digital communication systems.20257mComputer NetworksDescribe how the two-dimensional parity check is able to detect errors. Consider '1100101100110000110100101101' as the data that is to be sent over the network.20177mPrinciples of Communication Engineering A (7,4) Hamming code is used for error correction. If the received codeword is 1011010, determine the original data and correct the error.202414m