Tessolve Semiconductor Design & Verification Engineer Interview Questions and Answers

Q1. Simple FSM given similar to mux and asked for testcases and assertions.
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Q2. Coverage to write transitions of states.
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Coverage-driven verification techniques are used to ensure all possible state transitions are exercised.
• Coverage metrics like state, transition, and toggle coverage can be used to track the completeness of state transitions.

• Writing directed tests to cover specific state transitions can help achieve higher coverage.

• Random stimulus generation can also be used to explore different state transitions.

• Functional coverage can...read more
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Q1. Explain task and functions?
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Tasks and functions refer to the specific responsibilities and roles assigned to an individual within a job or project.
• Tasks are specific actions or activities that need to be completed within a certain timeframe.

• Functions are broader roles or responsibilities that encompass multiple tasks and contribute to the overall goal.

• Examples of tasks include writing test cases, debugging code, and creating design specifications...read more
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Q2. What are blocking and non blocking assignments?
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Blocking assignments wait for the assigned value to be calculated before moving on to the next statement, while non-blocking assignments allow multiple assignments to occur simultaneously.
• Blocking assignments use the = operator, while non-blocking assignments use the <= operator

• Blocking assignments are executed sequentially in the order they appear in the code, while non-blocking assignments are executed concurrently

• Bl...read more
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Q1. Write code randc behaviour
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randc behavior generates random complex numbers with specified distribution
• Use randc to generate random complex numbers

• Specify distribution using arguments like mean, variance, etc.

• Example: randc(10, 1, 2) generates 10 random complex numbers with mean 1 and variance 2
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Q2. Functinal coverage
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Q3. Code coverage related questions
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Q4. Monitor and scoreboard connections
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Q5. Project related questions
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Verilog, c++ pointers, mosfets

Q1. In depth questions about coding language you chose?
Ans. Use pointers to solve a problem
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Q2. Use uart protocol to solve a problem?
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UART protocol can be used to transmit and receive data between two devices.
• UART can be used to communicate between a microcontroller and a computer

• UART can be used to send and receive data between two microcontrollers

• UART can be used to interface with sensors and actuators

• UART can be used to implement a simple command/response protocol

• UART can be used to implement a data logging system
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Q3. Use uart to receive signals from micrcontroller
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UART can be used to receive signals from a microcontroller.
• Connect the UART pins of the microcontroller to the UART pins of the receiving device.

• Configure the UART settings such as baud rate, parity, and stop bits.

• Use a UART library or write code to read the incoming data from the UART buffer.

• Process the received data as required by the application.
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This round consists of technical test which was focusing on electronics subjects.

Q1. In this round , questions were asked in digital design , verilog and projects.
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Q1. In this round as usual HR questions were asked.
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