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1. Explain the differences between a blocking and non-blocking assignment in Verilog, and when would you use each one?
2. Describe the concept of race conditions in Verilog and how you can avoid or resolve them.
3. How do you implement a FIFO (First-In-First-Out) buffer using Verilog? Discuss the design considerations and potential challenges.
4. Explain the differences between the "always @(*)" and "always @(posedge clk)" constructs in Verilog and when to use each one.
5. Implement a finite state machine (FSM) in Verilog that controls a simple digital circuit.
6. Discuss the challenges and techniques involved in handling asynchronous inputs in Verilog designs.
7. How do you design and implement a clock domain crossing (CDC) synchronizer in Verilog? Explain the considerations and potential issues.
8. Describe the differences between a combinational circuit and a sequential circuit in Verilog.
9. Implement a pipelined multiplier in Verilog, considering the latency and throughput requirements.
10. Discuss the challenges and techniques involved in verifying a complex Verilog design, such as a microprocessor or a high-speed communication protocol.
11. Explain the concept of metastability in Verilog and how you can mitigate its effects.
12. Implement a counter that counts the number of clock cycles between two events in Verilog.
13. How do you design and implement a parameterized module in Verilog? Discuss the benefits and potential use cases.
14. Describe the differences between the "case" and "if-else" constructs in Verilog and when to use each one.
15. Implement a shift register with parallel load functionality in Verilog.

These questions require a deep understanding of Verilog language constructs, circuit design concepts, timing considerations, and verification methodologies. They are designed to challenge the candidate's problem-solving skills, ability to apply Verilog concepts to complex designs, and familiarity with best practices in digital design.