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CS 221: Logic Design Lecture 6 - Combinational Circuits
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CS 221: Logic Design Lecture 6 - Combinational Circuits

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Questions and Answers

What is a Decoder in combinational circuits?

  • A device that converts analog signals to digital signals
  • A type of encoder that reduces the number of outputs
  • A secondary memory storage device
  • A popular combinational logic building block that converts input binary number to one high output (correct)
  • What is the main purpose of studying standard combinational circuits in CS 221 Logic Design?

  • To know how to think to design a circuit (correct)
  • To memorize their internal design and functionality
  • To understand the difference between combinational and sequential circuits
  • To learn how to use decoders and encoders
  • What is the name of the combinational circuit that has 2n outputs?

  • Multiplexer
  • Encoder
  • Comparator
  • Decoder (correct)
  • How many possible input binary numbers does a 2-input decoder have?

    <p>4</p> Signup and view all the answers

    What is the functionality of a Decoder?

    <p>It converts input binary number to one high output</p> Signup and view all the answers

    What is the general term for a Decoder with n-inputs and m-outputs?

    <p>n-to-m line decoder</p> Signup and view all the answers

    How many outputs does a 2-input decoder have?

    <p>4</p> Signup and view all the answers

    What is the name of the chapter that includes the most important standard combinational circuits?

    <p>Chapter 6: Combinational Circuits</p> Signup and view all the answers

    What is the name of the instructor teaching CS 221 Logic Design?

    <p>Dr. Soha Ahmed Ehssan</p> Signup and view all the answers

    What are the standard combinational circuits mentioned in the chapter?

    <p>Adders, Subtractors, Comparators, Decoders, and Multiplexers</p> Signup and view all the answers

    Study Notes

    Combinational Circuits

    • This chapter covers important standard combinational circuits, including Adders, Subtractors, Comparators, Decoders, Encoders, and Multiplexers.

    Decoders

    • A Decoder is a popular combinational logic building block that converts input binary numbers to one high output.
    • A Decoder has n inputs and 2^n possible outputs.
    • A 2-input Decoder has four possible input binary numbers, resulting in four outputs, one for each possible input binary number.
    • Decoders are referred to as n-to-m line decoders, where m = 2^n.

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    Description

    This quiz covers the internal design and functionality of standard combinational circuits, including adders, subtractors, comparators, decoders, encoders, and multiplexers. It's part of the CS 221 Logic Design course.

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