Cracking the Nvidia interview can be challenging even for skilled developers. Candidates must practice answering the most anticipated Nvidia interview questions because their answers in the final interview speak volumes about their enthusiasm and interest level in the positions and the company, in addition to their technical knowledge. The Nvidia interview process is set to gauge a candidate's ability to solve complex system design and coding problems. Acing the interview demands diligent practice and a strategic preparation plan to cover every essential element from an interview perspective. 

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About Nvidia

Founded in 1993, Nvidia is an American multinational tech company headquartered in Santa Clara, California. The company is behind introducing the world’s first GPU. It provides APIs and SoCs for mobile computing and is a global leader in artificial intelligence. Today, through software and hardware solutions, Nvidia leverages its potential to transform everything from gaming to transportation to healthcare.   

Nvidia Recruitment Process

The recruitment process begins with candidates applying for rules that match their interests and skills. They are required to submit their resume and apply directly through the company’s official website or via LinkedIn profile. Candidates can apply for multiple positions that match their skillset. After applying, the company will call for an interview if there’s a match. Nvidia interview process comprises four interview rounds:

  • The Initial Recruiter Screen
  • The Technical Phone Screen Interview
  • The Nvidia On-site Technical Interview 
  • Nvidia HR Interview Round

Nvidia Interview Questions for Freshers and Experienced 

1. What is the difference between union and structure in C?

Structure

Union

The keyword struct defines a structure.

The keyword union defines a union.

Individual members can be accessed at a time.

Only one member can be accessed at a time.

Several members can be initialized at once.

Only the first member can be initialized.

Its size is greater than or equal to the sum of the sizes of its members.

The size is equal to the size of its largest member. 

Altering the value of a member does not affect others. 

Altering the value of a member affects others. 

2. What is an interrupt?

When a process or an event in hardware or software requires immediate attention, it emits the interrupt signal that alerts the processor of a high-priority process interrupting the current working process. In I/O devices, the Interrupt Service Routine (ISR) is dedicated to this purpose.  

3. What is the order of calling constructors and destructors in C++?

C++ constructor call order begins from top to bottom, i.e., from the base to the derived class. The C++ destructor call order is the reverse of the constructor. 

4. Explain passing by pointer and passing by reference.

Pass by pointer: Variables’ memory location is passed to the parameters in the function, and then the operations are performed.

Pass by reference: Enables a function to modify a variable without creating its copy. The user declares reference variables. The memory location of the parameter and the passed variable remain the same, and any change in the parameter gets reflected in the variable. 

5. What are composition and aggregation?

These two types of associations represent relationships between two objects. Aggregation implies that one object is the owner of the other, while composition means one object is contained in the other object. Destruction of the owning object affects the containing object in composition but not in aggregation. 

6. What is the difference between HTTP GET and HTTP Post? 

GET allows viewing something without changing it, and POST is useful for changing things. While GET helps retrieve remote data, POST is for inserting/updating remote data. For instance, a search page uses GET to obtain data, and a form that allows password change uses POST.

7. Explain pre-order, post-order, and in-order binary tree traversal.

  • Pre-order: For creating a copy of the tree
  • Post-order: For deleting the tree
  • In-order: Gives nodes in non-decreasing order

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8. What is the difference between heap and stack memory? 

Characteristics

Stack 

Heap

Basic

Memory is allocated in a contiguous block.

Allocated in a random order

Data structure type

Linear

Hierarchical

Allocation and Deallocation

Automatic via compiler instructions

Manual by programmer

Issue

Memory shortage

Memory fragmentation

Implementation

Easy

Hard

Access time

Faster

Slower

Safety

Thread-safe

Not thread-safe

9. What is RTTI in C++?

RTTI stands for runtime type information. This mechanism provides details about the type of an object at runtime. It is available only for classes with at least one virtual function. 

10. What operators cannot be overloaded in C++?

The following operators cannot be overloaded:

  • . – Dot operator
  • ?: – conditional operator
  • sizeof – sizeof operator
  • .* – dereferencing operator
  • :: – scope resolution operator
  • -> – member dereferencing operator

11. What are pure virtual functions?

A virtual function is a base class member function that can be redefined in a derived class. A virtual function can be declared using a virtual keyword. Contrastingly, a pure virtual function has no implementation and no body. It is declared by assigning 0. 

12. What is Nvidia TXAA?

Temporal anti-aliasing or TXAA is a spatial anti-aliasing technique applicable in computer-generated videos for combining information from past frames and the current frame. It helps create smoother and clearer images than other anti-aliasing solutions. TXAA combines high-quality MSAA multisample anti-aliasing, NVIDIA-designed temporal filters, and post processes. 

13. What is data hiding?

Hiding elements of a program's code from object members is called data hiding. It ensures controlled data access and the object's integrity, preventing unintentional or intended program changes. 

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14. What is the difference between the assignment operator ( = ) and the equal to operator ( == )?

The assignment operator ( = ) assigns the value to the variable. It is sometimes used in complex equations.

The 'equal to' operator ( == ) functions as an equality operator for comparing two values. It returns true when the values are equal; else, it returns false.

15. What is containership in C++? 

The relationship between classes wherein one can create an object of one class into another is containership. The class that contains the object/ members of the other class is the container class. The object that becomes the part of another object is the contained object, and the object that contains the other object is the container object.

Nvidia Interview Questions on System Design

Candidates applying for senior positions must prepare the most anticipated systems design interview questions for the off-site interview round. Some commonly asked questions are as follows:

  1. Explain in detail the design process of a proximity server.
  2. How would you go about designing a chatbot for a website? 
  3. Design a platform like Uber.
  4. What aspects of User Graphics are important for designing a mobile game application?
  5. Design a platform like Twitter.
  6. What considerations will you take into account while designing a shared file system for a cloud?

Nvidia Coding Interview Questions

  1. For a given string, print all permutations, both iterative and recursive.
  2. Write a program to shift all the zeros to the right given a set of random numbers. 
  3. Count the leaf nodes in a given binary tree.
  4. Write a program to merge overlapping intervals. 
  5. Reverse a singly linked list. 
  6. Write a program to implement bubble sort.
  7. Implement a postorder traversal algorithm?
  8. Given a binary tree, convert it into a doubly-linked list.
  9. Find a duplicate number in an array 1-100.
  10. Write a program to print a given binary tree's height (in inches). 
  11. Convert a given binary tree into a special max heap.

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Nvidia HR Interview Questions

Nvidia HR interview questions on behavioral psychology and leadership explore a candidate’s work-life balance, team-handling, leadership, and other professional qualities. Some commonly asked questions are:

  1. How do you prioritize tasks in a busy schedule?
  2. What has been the most challenging project you have worked on so far? 
  3. Tell us what makes you interested in this position at Nvidia.
  4. How would you express your disagreement with a senior?
  5. What would you do to handle a conflict with a coworker? 
  6. What are the most important aspects of enhancing productivity at the workplace?
  7. What are the three qualities that make you an ideal fit for this position?
  8. How do you believe you would benefit Nvidia? 
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Nvidia Careers

Nvidia is an equal opportunity employer committed to fostering a dynamic environment while offering reasonable accommodations and remunerative packages. It hires skilled software engineers, data scientists, engineering managers, coding engineers, technical leads, and test engineers for the following main categories:

  • AI 
  • Auto
  • Hardware
  • Gaming
  • Gaming
  • Robotics
  • Data Center
  • Graphics
  • Ray Tracing

Be thorough with these Nvidia interview questions and you easily get the job. Professional skills in AI and Cloud Computing will add great value to your profile. Be at the forefront of the cloud talent pool with the PGP in Cloud Computing in collaboration with the University of California, Irvine. Learn in-demand cloud computing skills around security, scaling, and building highly resilient infrastructure on the cloud. Sign-up to learn more! 

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