FPGA Design: Verilog Basics
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Questions and Answers

What is the characteristic of identifiers in Verilog?

  • They are case-sensitive and can include underscore or a dollar sign (correct)
  • They are case-insensitive
  • They are made up of only alphanumeric characters
  • They are used to define data types

    • What is the purpose of comments in Verilog?

  • To define data types
  • To describe or document a model (correct)
  • To declare identifiers
  • To specify the size of a net

    • What is the main difference between NET and REGISTER data types in Verilog?

  • NET is used for analog circuits, while REGISTER is used for digital circuits
  • NET is used for storing data, while REGISTER is used for transmission lines
  • NET is used for sequential logic, while REGISTER is used for combinational logic
  • NET is used for transmission lines, while REGISTER is used for storing data (correct)

    • What is the primary purpose of keywords in Verilog?

    <p>To define language constructs</p> Signup and view all the answers

    What is the most commonly used net in modeling circuits in Verilog?

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

    How are keywords written in Verilog?

    <p>In lowercase</p> Signup and view all the answers

    What is the primary difference between a wire net and a tri net in Verilog?

    <p>A wire net is used for nets driven by a single gate, while a tri net is used for nets driven by multiple gates.</p> Signup and view all the answers

    What is the purpose of the always statement in Verilog?

    <p>To specify the action that occurs under certain conditions.</p> Signup and view all the answers

    What is the function of the posedge statement in Verilog?

    <p>To trigger the action on a positive edge of the clock signal.</p> Signup and view all the answers

    What is the purpose of theassign statement in the provided Verilog code?

    <p>To create a continuous assignment between two wires.</p> Signup and view all the answers

    What is the purpose of the bufif0 and bufif1 gates in the 2:1_mux module?

    <p>To drive the output of the module.</p> Signup and view all the answers

    What is the output of the 2:1_mux module?

    <p>A single output driven by multiple gates.</p> Signup and view all the answers

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