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A _________ is a multiple-input, multiple-output logic circuit which converts coded inputs into coded outputs, where the input and output code are different.
- a)decoder
- b)demultiplexer
- c)multiplexer
- d)encoder
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
A _________ is a multiple-input, multiple-output logic circuit which c...
Encoder:
An encoder has 2n input lines and n output lines. In the encoder, the output lines generate the binary code corresponding to the input value which is active high.
Decoder:
It is a multi-input and multi-output logic circuit that converts coded inputs into coded outputs where input and output codes are different. Input code has fewer bits than output code. There is one to one mapping from input to output.
Multiplexer:
It is a digital switch. It allows digital information from several sources to be routed onto a single output line. A basic multiplexer has several data input lines and a single output line. The selection of a particular input line is controlled by selection lines. It is many to one mapping and provides the digital equivalent of an analog selector switch. Therefore it is the correct answer
Demultiplexer:
It is a circuit that receives information on a single line and transmits information on one of the 2n output lines. Selection of output line is controlled by values of n selection lines.
Community Answer
A _________ is a multiple-input, multiple-output logic circuit which c...
Understanding Decoders
A decoder is an essential component in digital circuits that transforms binary data from multiple inputs into a unique output. It is pivotal in various applications, including data routing and memory addressing.
Functionality of a Decoder
- Input and Output Codes: A decoder takes coded inputs and produces coded outputs, where the two codes differ. For example, a 2-to-4 decoder has 2 input lines and can activate one of the 4 output lines based on the binary value of the inputs.
- Multiple Inputs and Outputs: As a multiple-input, multiple-output circuit, a decoder's design allows it to handle complex encoding schemes, making it suitable for various applications.
Comparison with Other Circuits
- Encoder: Unlike a decoder, an encoder compresses multiple inputs into fewer outputs. It converts active inputs into a binary code, which is the opposite function of a decoder.
- Multiplexer: A multiplexer selects one of many input signals and forwards it to a single output line. It serves a different purpose than a decoder, which is focused on output selection based on input codes.
- Demultiplexer: A demultiplexer takes a single input and channels it to one of many outputs, also different from the fundamental operation of a decoder.
Applications of Decoders
- Memory Addressing: Decoders are extensively used in memory devices to select specific memory locations based on binary addresses.
- Data Routing: In communication systems, decoders facilitate the correct routing of data to designated outputs, ensuring efficient signal processing.
Conclusion
In conclusion, the correct answer is option 'A' because a decoder serves the specific function of converting coded inputs into coded outputs where both codes differ, distinguishing it from encoders, multiplexers, and demultiplexers.
A decoder is an essential component in digital circuits that transforms binary data from multiple inputs into a unique output. It is pivotal in various applications, including data routing and memory addressing.
Functionality of a Decoder
- Input and Output Codes: A decoder takes coded inputs and produces coded outputs, where the two codes differ. For example, a 2-to-4 decoder has 2 input lines and can activate one of the 4 output lines based on the binary value of the inputs.
- Multiple Inputs and Outputs: As a multiple-input, multiple-output circuit, a decoder's design allows it to handle complex encoding schemes, making it suitable for various applications.
Comparison with Other Circuits
- Encoder: Unlike a decoder, an encoder compresses multiple inputs into fewer outputs. It converts active inputs into a binary code, which is the opposite function of a decoder.
- Multiplexer: A multiplexer selects one of many input signals and forwards it to a single output line. It serves a different purpose than a decoder, which is focused on output selection based on input codes.
- Demultiplexer: A demultiplexer takes a single input and channels it to one of many outputs, also different from the fundamental operation of a decoder.
Applications of Decoders
- Memory Addressing: Decoders are extensively used in memory devices to select specific memory locations based on binary addresses.
- Data Routing: In communication systems, decoders facilitate the correct routing of data to designated outputs, ensuring efficient signal processing.
Conclusion
In conclusion, the correct answer is option 'A' because a decoder serves the specific function of converting coded inputs into coded outputs where both codes differ, distinguishing it from encoders, multiplexers, and demultiplexers.
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A _________ is a multiple-input, multiple-output logic circuit which converts coded inputs into coded outputs, where the input and output code are different.a)decoderb)demultiplexerc)multiplexerd)encoderCorrect answer is option 'A'. Can you explain this answer?
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