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What does the logic circuit represented by the following Verilog module do, and what Verilog description style does it use? // My Verilog module #1 module mymodl ( x, d, q) input[1:0] x;input[3:0] d;output q; reg q; wire [1:0] x; wire [3:0] d; always ( x or d) begin case ( x ) 1 : q=d[1]; 2 : g=d[2]; 3 q d[3]; endcase end endmodule

why its 4-to-1 mux behavioral?

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Answer #1

It is behavioral as it uses the format of always@()

and it is 4 to 1 mux because the output depend on the x value which is similar to select lines in a mux and there are 4 wires hence 4 inputs to choose from hence it is same as a mux

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