How many clocks does it take for a change in Datain to be reflected on DataOut? module LogicModule ( input logic clk, input logic Rst, input logic [7:0] DataIn, output logic [7:0] Dataout ); always @(posedge clk) begin DataOut[7] <= DataIn[e] or DataIn[1]; DataOut [6] <= DataIn[1] or DataIn[2]; DataOut [5] <= DataIn[2] or DataIn[3]; Dataout [4] <= DataIn[3] or DataIn[4]; DataOut [3] <= DataIn[4] or DataIn[5]; DataOut [2] <= DataIn[5] or DataIn[6]; DataOut[1] <= DataIn[6] or DataIn[7]; DataOut[e] <= DataIn [7] or DataIn[0]; end endmodule Pick one of the choices O 0 01
How many clocks does it take for a change in Datain to be reflected on DataOut? module LogicModule ( input logic clk, input logic Rst, input logic [7:0] DataIn, output logic [7:0] Dataout ); always @(posedge clk) begin DataOut[7] <= DataIn[e] or DataIn[1]; DataOut [6] <= DataIn[1] or DataIn[2]; DataOut [5] <= DataIn[2] or DataIn[3]; Dataout [4] <= DataIn[3] or DataIn[4]; DataOut [3] <= DataIn[4] or DataIn[5]; DataOut [2] <= DataIn[5] or DataIn[6]; DataOut[1] <= DataIn[6] or DataIn[7]; DataOut[e] <= DataIn [7] or DataIn[0]; end endmodule Pick one of the choices O 0 01
Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
![**How many clocks does it take for a change in DataIn to be reflected on DataOut?**
```verilog
module LogicModule
(
input logic Clk,
input logic Rst,
input logic [7:0] DataIn,
output logic [7:0] DataOut
);
always @(posedge Clk) begin
DataOut[7] <= DataIn[0] or DataIn[1];
DataOut[6] <= DataIn[1] or DataIn[2];
DataOut[5] <= DataIn[2] or DataIn[3];
DataOut[4] <= DataIn[3] or DataIn[4];
DataOut[3] <= DataIn[4] or DataIn[5];
DataOut[2] <= DataIn[5] or DataIn[6];
DataOut[1] <= DataIn[6] or DataIn[7];
DataOut[0] <= DataIn[7] or DataIn[0];
end
endmodule
```
**Pick one of the choices**
- 0
- 1
- 4
- 8
**Explanation:**
This Verilog module named `LogicModule` consists of an 8-bit input `DataIn` and an 8-bit output `DataOut`. The block under `always @(posedge Clk)` is executed at every positive edge of the `Clk` signal. The operations inside the block map specific bits of `DataIn` to specific bits of `DataOut`, using the logical OR operation between pairs of `DataIn` bits.
The question asks how many clock cycles it takes for a change in `DataIn` to be reflected in `DataOut`. Since the assignments occur in the same always block and are executed at the positive edge of `Clk`, the effect is immediate in the next clock cycle. Therefore, the answer is **1 clock cycle**.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6d1ae07f-bdb5-47a8-9afa-ea5a04bdf9c8%2F59fbc7a8-b7f5-4bc9-8848-8559a9f9fca7%2Fbcssk1k_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**How many clocks does it take for a change in DataIn to be reflected on DataOut?**
```verilog
module LogicModule
(
input logic Clk,
input logic Rst,
input logic [7:0] DataIn,
output logic [7:0] DataOut
);
always @(posedge Clk) begin
DataOut[7] <= DataIn[0] or DataIn[1];
DataOut[6] <= DataIn[1] or DataIn[2];
DataOut[5] <= DataIn[2] or DataIn[3];
DataOut[4] <= DataIn[3] or DataIn[4];
DataOut[3] <= DataIn[4] or DataIn[5];
DataOut[2] <= DataIn[5] or DataIn[6];
DataOut[1] <= DataIn[6] or DataIn[7];
DataOut[0] <= DataIn[7] or DataIn[0];
end
endmodule
```
**Pick one of the choices**
- 0
- 1
- 4
- 8
**Explanation:**
This Verilog module named `LogicModule` consists of an 8-bit input `DataIn` and an 8-bit output `DataOut`. The block under `always @(posedge Clk)` is executed at every positive edge of the `Clk` signal. The operations inside the block map specific bits of `DataIn` to specific bits of `DataOut`, using the logical OR operation between pairs of `DataIn` bits.
The question asks how many clock cycles it takes for a change in `DataIn` to be reflected in `DataOut`. Since the assignments occur in the same always block and are executed at the positive edge of `Clk`, the effect is immediate in the next clock cycle. Therefore, the answer is **1 clock cycle**.
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