QWhich of the following properties is not associated with block codes?
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Explanation
Block codes are a type of error-correcting code used in digital communication systems to detect and correct errors that occur during transmission. They are linear, systematic, and cyclic in nature. Linearity means that the output of the code is a linear combination of its input. In other words, the code is a linear function that maps input sequences to output sequences. This is a desirable property because linear functions can be easily analyzed and implemented. Systematic means that the input message bits are directly transmitted along with the parity bits. The transmitted message is in a systematic form where the input message is preserved in the transmitted sequence. Cyclic means that if a codeword is cyclically shifted, the result is another codeword. This property simplifies the encoding and decoding process and reduces the computational complexity of the system. However, block codes are not nonlinear in nature. Nonlinear codes are more complex and harder to analyze and implement than linear codes. Therefore, block codes are usually preferred over nonlinear codes in digital communication systems.
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