Heliware R&D Engineer Interview Questions and Answers

Design and testbench code for D flip-flops in Verilog

• Define the D flip-flop module with input and output ports

• Implement the flip-flop logic using Verilog always block

• Write a testbench to verify the functionality of the D flip-flop

• Simulate the design using a Verilog simulator like ModelSim

• Check the waveform to ensure proper operation