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Nvidia Interview Questions and Answers
86 Interview questions
Verilog code for a clock signal generation and manipulation.
Define a clock signal using 'reg' type in Verilog.
Use 'always' block to toggle the clock signal at a specified interval.
Example: 'always #5 clk = ~clk;' for a 10 time unit clock period.
Consider using 'initial' block to set the initial state of the clock.
Use 'posedge' or 'negedge' to trigger events on clock edges.
Sum two numbers represented by linked lists and return the result as a linked list.
Each linked list node represents a single digit.
Digits are stored in reverse order (least significant digit first).
Traverse both linked lists, adding corresponding digits and managing carry.
Example: Linked List 1: 2 -> 4 -> 3 (represents 342), Linked List 2: 5 -> 6 -> 4 (represents 465). Result: 7 -> 0 -> 8 (repres...
Understanding STA is crucial for calculating the maximum clock frequency in ASIC design.
Static Timing Analysis (STA) checks timing paths to ensure they meet setup and hold requirements.
Maximum clock frequency is determined by the longest path delay in the design.
Example: If the longest path delay is 10ns, the maximum clock frequency is 100MHz (1/10ns).
STA tools like Synopsys PrimeTime help automate the analysis pr...
A D flip flop is a sequential logic circuit that stores a single bit of data.
A D flip flop has a data input (D), a clock input (CLK), and an output (Q).
The output (Q) of a D flip flop changes only when the clock input (CLK) transitions from low to high.
The output (Q) of a D flip flop follows the value of the data input (D) when the clock input (CLK) transitions from low to high.
The Verilog code for a D flip flop c...
T3 and T5 violations are related to timing constraints in digital circuits.
T3 violation occurs when the data arrives too late at the destination register.
T5 violation occurs when the data arrives too early at the destination register.
T3 and T5 violations can cause setup and hold time violations.
T3 and T5 violations can be fixed by adjusting the timing constraints or by adding delay elements.
Examples of T3 and T5 v...
Coverage loss can occur due to test pattern compression, test pattern generation, and test application issues.
Test pattern compression can cause loss of coverage due to the reduction in the number of test patterns.
Test pattern generation can result in coverage loss if the generated patterns do not cover all the faults.
Test application issues such as timing violations or signal integrity problems can also lead to c...
Nvidia HR Interview Questions
Yes, hold time/setup violation can occur at stuckat capture.
Stuck-at faults can cause hold time violations if the data is not held long enough for the capture register to sample it.
Similarly, setup violations can occur if the data is not stable before the capture register samples it.
These violations can be avoided by proper timing constraints and clocking strategies.
For example, adding a delay to the clock signal ...
OpenGL is a graphics API used in Android to render 2D and 3D graphics.
OpenGL is a cross-platform API that allows developers to create high-performance graphics applications.
It uses a pipeline-based model to process graphics data.
OpenGL ES (Embedded Systems) is the version of OpenGL used in Android.
It supports features like texture mapping, lighting, and shading.
Developers can use OpenGL in Android to create games,...
Design test cases for a deseal car engine
Test for engine starting and stopping
Test for oil pressure and temperature
Test for fuel efficiency
Test for exhaust emissions
Test for engine noise and vibration
Android architecture system is a layered architecture consisting of four main layers.
The four main layers are Linux kernel, native libraries, application framework, and applications.
The Linux kernel provides low-level hardware abstraction and security.
Native libraries are written in C or C++ and provide access to hardware-specific features.
Application framework provides high-level services such as activity managem...
Nvidia Interview Experiences
114 interviews found
Anupam Saxena
It was good and reveling
(2 Questions)
- Q1. Abt anything specific report
- Q2. Fluid mechanics an d thermodynamics
Rupal Jain
(4 Questions)
- Q1. Asked about the details of my projects
- Q2. Digital question related to flip flop and mux.
- Q3. Assertion, constraint questions
- Q4. Asked about different ways of saving power
- Ans.
Power-saving techniques in electronics enhance efficiency and prolong battery life in devices.
Dynamic Voltage and Frequency Scaling (DVFS): Adjusts voltage and frequency based on workload, e.g., CPUs in laptops.
Power Gating: Disconnects power from inactive components, e.g., turning off unused cores in multi-core processors.
Clock Gating: Disables the clock signal to inactive circuits, reducing dynamic power consumption,...
1hr interview, asked checker code, checked protocol knowledge mentioned in Resume, asked assertion.
(4 Questions)
- Q1. Draw Digital circuit question based on the waveform
- Q2. Asked about code coverage in details
- Ans.
Code coverage measures the extent to which source code is tested by automated tests, ensuring software reliability.
Types of code coverage include line coverage, branch coverage, and function coverage.
Line coverage checks if each line of code is executed during tests; e.g., if a function has 10 lines and 8 are executed, coverage is 80%.
Branch coverage ensures all branches (if-else conditions) are tested; e.g., testing b...
- Q3. 1 technical puzzle, to print infinite series of a given pattern
- Q4. 1 logical puzzle, 50ball in box of 1 colour and 50ball of 2nd colour in another box, calculate highest probability to choose 1 colour ball.
Interview Preparation Tips
kelvin ayala
I applied via Approached by Company and was interviewed in Nov 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Explain project and work experience
- Ans.
Experienced Solutions Architect with a strong background in designing scalable cloud solutions and leading cross-functional teams.
Led a team to migrate a legacy application to AWS, improving performance by 30%.
Designed a microservices architecture for a healthcare application, enhancing scalability and maintainability.
Collaborated with stakeholders to gather requirements and create a roadmap for a new product launch.
Im...
- Q2. Explain current knowledge of Nvidia positioning
- Ans.
Nvidia is a leader in AI, gaming, and data center solutions, driving innovation in GPU technology and deep learning.
Nvidia dominates the GPU market, powering gaming consoles like PlayStation and Xbox.
Their CUDA platform enables developers to leverage parallel computing for AI and machine learning applications.
Nvidia's data center solutions, such as DGX systems, are critical for enterprises in AI research and deployment...
(2 Questions)
- Q1. Develop roadmap for hypothetical product
- Q2. Explain thought process on leveraging Nvidia
- Ans.
Leveraging Nvidia enhances AI capabilities, accelerates data processing, and optimizes solutions across various industries.
Utilize Nvidia GPUs for high-performance computing in AI and machine learning tasks.
Implement Nvidia's CUDA platform to accelerate parallel processing in data-intensive applications.
Leverage Nvidia's deep learning frameworks, like TensorRT, for optimizing inference in real-time applications.
Explore...
Skills evaluated in this interview
Anonymous
Selected
I appeared for an interview in Jun 2025, where I was asked the following questions.
- Q1. Just basics of your previous work and about your native
- Q2. Questions provided by our alumini and some aptitudes
Interview Preparation Tips
(1 Question)
- Q1. Atpg related questions
(1 Question)
- Q1. Digital design problems
- Ans.
Digital design problems involve challenges in designing and implementing digital circuits and systems.
Understanding and optimizing power consumption
Ensuring signal integrity and minimizing noise
Implementing efficient clocking strategies
Addressing timing issues and meeting performance requirements
(1 Question)
- Q1. Digital design ,tough sta questions
I applied via Campus Placement and was interviewed in Jun 2024. There was 1 interview round.
(7 Questions)
- Q1. Introduction about myself and my subjects of interest.
- Ans.
I am a passionate individual with a background in computer science and a keen interest in artificial intelligence and machine learning.
Studied computer science at XYZ University
Completed projects in AI and ML
Attended workshops and seminars on emerging technologies
- Q2. Then I was asked about my first project which was on Risc v.
- Q3. Then i was asked about my second project which was based on asynchronous fifo design.Following this I was asked the difference between synchronous and asynchronous fifo and then the interviewer gave me a F...
- Q4. Then he gave me a Digital electronics numerical to solve.
- Ans.
Digital electronics involves the study of electronic circuits that operate using digital signals.
Digital circuits use binary signals (0s and 1s) to represent data.
Common components include logic gates (AND, OR, NOT) that perform basic operations.
Examples of digital devices: computers, smartphones, and digital watches.
Digital electronics is crucial for designing microprocessors and memory devices.
- Q5. Then he asked me to design a flipflop using mux.
- Ans.
Designing a flip-flop using multiplexers (MUX) involves creating a circuit that can store a binary state.
A flip-flop is a basic memory element in digital electronics.
Using a 2-to-1 MUX, we can implement a D flip-flop.
The D flip-flop captures the value of the D input at a clock edge.
The MUX selects between the current state and the input based on the clock signal.
Example: For a D flip-flop, connect D to one MUX input an...
- Q6. Then he asked me about difference between mealey and moore machine and which one is better in which case.
- Ans.
Mealy and Moore machines are types of finite state machines; they differ in output generation based on states and inputs.
Mealy machines produce output based on current state and input, leading to faster response times.
Moore machines produce output based solely on the current state, which can simplify design and debugging.
Example: In a Mealy machine, an output can change immediately with an input change; in a Moore mach...
- Q7. At last he asked me 3 puzzles to solve.
Interview Preparation Tips
I appeared for an interview in Feb 2025, where I was asked the following questions.
- Q1. Regarding Machine learning and Artificial Intelligence projects and coursework
- Q2. Coding question: 2 questions from OA C++ test and Bit manipulation (Count number of set bits)
- Q3. Computer Networks: TCP, UDP, ISO OSI Model, 7 layer and its functionalities
- Q4. Explain NLP, Transformers and LLMs
- Ans.
NLP uses AI to understand human language; Transformers are models that process data efficiently; LLMs are large models for language tasks.
NLP (Natural Language Processing) enables machines to understand and interpret human language.
Transformers are a type of neural network architecture that uses self-attention mechanisms for processing sequences of data.
LLMs (Large Language Models) are trained on vast amounts of text d...
Interview Preparation Tips
I applied via Campus Placement and was interviewed in May 2024. There were 2 interview rounds.
Consist of coding , digital, mpmc.
(5 Questions)
- Q1. Oa questions were asked
- Q2. Some basic programming questions.
- Q3. Parallel processing
- Q4. Flip flop related questions
- Q5. Very log codes were asked in the interview
Interview Preparation Tips
(3 Questions)
- Q1. Mealy/Moore FSM
- Q2. Setup/Hold basic questions
- Q3. No. of patterns to detect fault on XOR gate
- Ans.
There are 3 patterns to detect faults on an XOR gate.
There are 3 possible fault patterns on an XOR gate: Stuck-At-0, Stuck-At-1, and Inversion.
Stuck-At-0 fault pattern occurs when one input is always 0, regardless of the other input.
Stuck-At-1 fault pattern occurs when one input is always 1, regardless of the other input.
Inversion fault pattern occurs when the output is inverted compared to the correct XOR gate output.
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed in May 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Tell me abt yourself.
- Q2. What do you about Artificial Intelligence?
- Ans.
Artificial Intelligence refers to the simulation of human intelligence processes by machines, especially computer systems.
AI involves the development of algorithms that can perform tasks that typically require human intelligence, such as visual perception, speech recognition, decision-making, and language translation.
Machine learning is a subset of AI that focuses on the development of algorithms that allow computers t...
(2 Questions)
- Q1. Why are you looking to change now?
- Q2. What is the latest book you read?
- Ans.
I recently read 'The Alliance: Managing Talent in the Networked Age,' which explores innovative approaches to talent management.
The book emphasizes the importance of building strategic partnerships in talent management.
It discusses how organizations can leverage networks to enhance collaboration.
Real-world examples illustrate successful alliance strategies in various industries.
Skills evaluated in this interview
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