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Intel Senior Developer Interview Questions and Answers

Updated 22 May 2024

Intel Senior Developer Interview Experiences

1 interview found

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Write iterative fibonacci function
  • Ans. 

    Iterative fibonacci function using a loop to calculate the Fibonacci sequence.

    • Initialize an array to store Fibonacci numbers

    • Use a loop to calculate each Fibonacci number based on the previous two numbers

    • Return the array of Fibonacci numbers

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

Interview Questionnaire 

5 Questions

  • Q1. In C programming they asked about storage classes, Volatile , Whole compilation process steps by steps, Dangling pointer , Memory leak, Memory corruption
  • Q2. In data structure they asked question on String , Linked List and array
  • Q3. Data structure question section is easy don't go for complex algorithms just study basic algorithms. like reverse the linked list in group on given size
  • Q4. They also asked question on bit manipulation. Like Check that given number binary representation is palindrome or not?
  • Q5. Swap even and odd bits in given number
  • Ans. 

    Swap even and odd bits in a given number

    • Create a mask for even bits and odd bits

    • Shift even bits to right and odd bits to left

    • Combine even and odd bits using bitwise OR operator

  • Answered by AI

Interview Preparation Tips

College Name: NA

Skills evaluated in this interview

Interview Questionnaire 

9 Questions

  • Q1. Tree questions related like traversal?
  • Q2. Locate the sum of 2 numbers in a linear array (Unsorted and sorted) and their complexities
  • Ans. 

    Locate sum of 2 numbers in a linear array (unsorted and sorted) and their complexities

    • For unsorted array, use nested loops to compare each element with every other element until the sum is found

    • For sorted array, use two pointers approach starting from the beginning and end of the array and move them towards each other until the sum is found

    • Complexity for unsorted array is O(n^2) and for sorted array is O(n)

  • Answered by AI
  • Q3. Pointers with increment/decrement, address of and value at operators (++,–,*,&)
  • Ans. 

    Pointers are used to manipulate memory addresses and values in C++. Increment/decrement, address of and value at operators are commonly used.

    • Incrementing a pointer moves it to the next memory location of the same data type

    • Decrementing a pointer moves it to the previous memory location of the same data type

    • The address of operator (&) returns the memory address of a variable

    • The value at operator (*) returns the value sto

  • Answered by AI
  • Q4. A point and a rectangle is present with the given coordinates. How will you determine whether the point is inside or outside the rectangle?
  • Ans. 

    To determine if a point is inside or outside a rectangle, we check if the point's coordinates fall within the rectangle's boundaries.

    • Check if the point's x-coordinate is greater than the left edge of the rectangle

    • Check if the point's x-coordinate is less than the right edge of the rectangle

    • Check if the point's y-coordinate is greater than the top edge of the rectangle

    • Check if the point's y-coordinate is less than the b...

  • Answered by AI
  • Q5. There is a point inside the rectangle. How will you determine the line that passes through the point and divides the rectangle into 2 equal halves?
  • Ans. 

    To find line that divides rectangle into 2 equal halves through a point inside it.

    • Find the center of the rectangle

    • Draw a line from the center to the given point

    • Extend the line to the opposite side of the rectangle

    • The extended line will divide the rectangle into 2 equal halves

  • Answered by AI
  • Q6. There is a scheme which contains 8-bit and 16-bit signed numbers. How many such combinations are possible?
  • Ans. 

    There are multiple combinations of 8-bit and 16-bit signed numbers. How many such combinations are possible?

    • There are 2^8 (256) possible combinations of 8-bit signed numbers.

    • There are 2^16 (65,536) possible combinations of 16-bit signed numbers.

    • To find the total number of combinations, we can add the number of combinations of 8-bit and 16-bit signed numbers.

    • Therefore, the total number of possible combinations is 256 +

  • Answered by AI
  • Q7. You are given an array of elements. Some/all of them are duplicates. Find them in 0(n) time and 0(1) space. Property of inputs – Number are in the range of 1..n where n is the limit of the array
  • Ans. 

    Find duplicates in an array of elements in 0(n) time and 0(1) space.

    • Use the property of inputs to your advantage

    • Iterate through the array and mark elements as negative

    • If an element is already negative, it is a duplicate

    • Return all the negative elements as duplicates

  • Answered by AI
  • Q8. Given a array of digits. print all combination of of these i.e all no formed by these. repetition allowed. and then repetition not allowed example: i/p: arr={1,2,3} o/p: (without repetition) 123, 132, 213,...
  • Q9. Questions on project

Interview Preparation Tips

Round: Test
Duration: 90 minutes
Total Questions: 3

Round: HR Interview
Experience: HR interview was all about my projects, my background and a few more typical HR questions. It was pretty easy to answer them.

Skills: Algorithm, Data structure, C++
College Name: IIT ROORKEE

Skills evaluated in this interview

I appeared for an interview in Sep 2016.

Interview Preparation Tips

Round: Test
Experience: Questions aren't tough but they take more time to read itself.
Tips: First try to attempt the questions which are seemingly small. Reading bigger questions first and wasting more time on that isnt a good idea at all.
Duration: 30 minutes
Total Questions: 30

Skills: Technical Skill, Analytical Skills
College Name: IIT Kharagpur

I applied via Campus Placement

Interview Questionnaire 

4 Questions

  • Q1. What is a program, task and threads
  • Ans. 

    A program is a set of instructions that tells a computer what to do. A task is a unit of work performed by a program. A thread is a sequence of instructions within a task.

    • A program is a collection of instructions that are executed by a computer to perform a specific task.

    • A task is a unit of work that is performed by a program. It can be a specific action or a set of actions.

    • A thread is a sequence of instructions within...

  • Answered by AI
  • Q2. Delete a node in a linked list
  • Ans. 

    To delete a node in a linked list, we need to adjust the pointers of the previous and next nodes.

    • Find the node to be deleted by traversing the linked list

    • Adjust the pointers of the previous and next nodes to skip the node to be deleted

    • Free the memory occupied by the node to be deleted

  • Answered by AI
  • Q3. What is a function pointer and volatile type in c
  • Ans. 

    A function pointer is a variable that stores the address of a function. Volatile type is used to declare variables that can be modified by external factors.

    • Function pointers are used to pass functions as arguments to other functions.

    • Volatile type is used when a variable's value can be changed unexpectedly by external factors.

    • Function pointers can be used to implement callbacks or event handling mechanisms.

    • Volatile type...

  • Answered by AI
  • Q4. Summarise your resume
  • Ans. 

    Experienced software developer with expertise in Java, Python, and SQL

    • Proficient in Java, Python, and SQL programming languages

    • Developed web applications using Java Spring framework

    • Experience with database management and optimization using SQL

    • Worked on various software projects in a team environment

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Paper was challenging and It was well set.

Duration: 90 minutes
Total Questions: 60

Round: Technical Interview
Experience: It was a very good experience overall. Interviewer helped to ease the tension.
Tips: Waiting time can be reduced.

General Tips: Prepare for precedence of operators in C.
Try to be fast in solving the problems.
Skills: Knowledge Of Your Resume Points, Pointers In C, Operating System Basics
Duration: 2
College Name: IIT Madras
Motivation: Qualcomm is a

Skills evaluated in this interview

I appeared for an interview before Sep 2020.

Round 1 - Video Call 

(3 Questions)

Round duration - 30 minutes
Round difficulty - Easy

  • Q1. How do you search for a node in a linked list?
  • Ans. 

    To search for a node in a linked list, iterate through the list and compare each node's value with the target value.

    • Start at the head of the linked list

    • Iterate through each node by following the 'next' pointer

    • Compare the value of each node with the target value

    • Return the node if found, otherwise return null

  • Answered by AI
  • Q2. How do you detect a loop in a linked list?
  • Ans. 

    To detect a loop in a linked list, we can use Floyd's Cycle Detection Algorithm.

    • Initialize two pointers, slow and fast, at the head of the linked list.

    • Move slow pointer by one step and fast pointer by two steps.

    • If there is a loop, the two pointers will eventually meet.

    • Alternatively, we can use a hash set to store visited nodes and check for duplicates.

  • Answered by AI
  • Q3. Implement a stack using a singly linked list.
  • Ans. 

    Implement a stack using a singly linked list

    • Create a Node class with data and next pointer

    • Create a Stack class with top pointer pointing to the top of the stack

    • Implement push, pop, and peek operations by manipulating the linked list

    • Example: Node class - Node { int data; Node next; }

  • Answered by AI
Round 2 - Video Call 

(2 Questions)

Round duration - 40 minutes
Round difficulty - Easy

  • Q1. What is the top view of a binary tree?
  • Ans. 

    The top view of a binary tree shows the nodes visible from the top when looking down from the root node.

    • The top view of a binary tree is the set of nodes visible from the top when looking down from the root node.

    • Nodes at the same horizontal distance from the root are considered at the same level in the top view.

    • If multiple nodes are at the same horizontal distance, only the topmost node at that level is included in the...

  • Answered by AI
  • Q2. Explain the process of deleting a node from a linked list, covering all possible cases.
  • Ans. 

    Deleting a node from a linked list involves updating pointers to maintain the list's integrity.

    • Identify the node to be deleted by traversing the list

    • Update the previous node's next pointer to skip the node to be deleted

    • Free the memory allocated to the node to be deleted

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Information Technology from Inderprastha Engineering College. I applied for the job as SDE - 1 in NoidaEligibility criteriaminimum 70 %Cadence Design Systems interview preparation:Topics to prepare for the interview - Data Structures and Algorithms, Object-Oriented Programming, System DesignTime required to prepare for the interview - 5 MonthsInterview preparation tips for other job seekers

Do practice a lot of questions on linked list and stacks as these are two most important data structures asked in the interview. Also, try to implement it yourself without seeing the solution. Also prepare for Computer Science subjects like Operating System, Database Management System, Computer Networks, etc. I prepared them through Coding Ninjas notes which were simpler and easy to understand. 

Application resume tips for other job seekers

Keep your resume short and up to mark and check spellings before submitting it for the interview process.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in Aug 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

Basic aptitude, c and data structures

Round 3 - Technical 

(2 Questions)

  • Q1. C and data structures
  • Q2. Operating system and puzzle

Interview Preparation Tips

Interview preparation tips for other job seekers - Be strong in basics of c and data structure.
Some basics on OS
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I appeared for an interview before Mar 2024.

Round 1 - HR 

(1 Question)

  • Q1. Salary discussion
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Hirepro , 2 easy to medium coding questions with technical questions

Round 2 - One-on-one 

(2 Questions)

  • Q1. DSA questions were asked they were easy
  • Q2. Insert a node at the middle of a linked list
  • Ans. 

    To insert a node at the middle of a linked list, find the middle node and adjust pointers accordingly.

    • Find the middle node using slow and fast pointers

    • Adjust pointers to insert the new node at the middle

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Puzzle and general question

Skills evaluated in this interview

I appeared for an interview in Aug 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 75 minutes
Round difficulty - Medium

This was an online coding round where I had 2 questions to solve under 75 minutes. Both the coding questions were related to DP and were of Medium to Hard level of difficulty.

  • Q1. 

    Longest Common Prime Subsequence Problem Statement

    Imagine Ninja is tackling a puzzle during his long summer vacation. He has two arrays of integers, each with lengths 'N' and 'M'. Ninja's task is to dete...

  • Ans. 

    Find the length of the longest subsequence common to two arrays consisting only of prime numbers.

    • Iterate through both arrays to find prime numbers

    • Use dynamic programming to find the longest common subsequence

    • Consider edge cases like empty arrays or no common prime numbers

  • Answered by AI
  • Q2. 

    Maximum Sum Problem Statement

    You are given an array ARR of N integers. Your task is to perform operations on this array until it becomes empty, and maximize the sum of selected elements. In each operatio...

  • Ans. 

    Given an array, select elements to maximize sum by removing adjacent elements. Return the maximum sum.

    • Iterate through the array and keep track of the frequency of each element.

    • Select the element with the highest frequency first, then remove adjacent elements.

    • Repeat the process until the array becomes empty and calculate the sum of selected elements.

  • Answered by AI
Round 2 - Video Call 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Medium

This round had 2 Algorithmic questions wherein I was supposed to code both the problems after discussing their approaches and respective time and space complexities . After that , I was grilled on some OOPS concepts related to C++.

  • Q1. 

    Cycle Detection in a Linked List

    Your task is to determine if a given Singly Linked List of integers forms a cycle.

    Explanation: A cycle in a linked list occurs when there is a node in the list that conn...

  • Ans. 

    Detect if a given singly linked list of integers forms a cycle.

    • Use Floyd's Tortoise and Hare algorithm to detect cycle in linked list

    • Maintain two pointers, one moving at double the speed of the other

    • If they meet at some point, there is a cycle in the linked list

  • Answered by AI
  • Q2. 

    Check If Preorder Traversal Is Valid

    Determine whether a given array ARR of positive integers is a valid Preorder Traversal of a Binary Search Tree (BST).

    A binary search tree (BST) is a tree structure w...

  • Ans. 

    Check if a given array of positive integers is a valid Preorder Traversal of a Binary Search Tree (BST).

    • Create a stack to keep track of nodes.

    • Iterate through the array and compare each element with the top of the stack.

    • If the current element is less than the top of the stack, push it onto the stack.

    • If the current element is greater than the top of the stack, pop elements from the stack until a greater element is found ...

  • Answered by AI
  • Q3. What are Vtable and VPTR in C++?
  • Ans. 

    Vtable and VPTR are used in C++ for implementing polymorphism through virtual functions.

    • Vtable (Virtual Table) is a table of function pointers used to implement dynamic dispatch for virtual functions.

    • VPTR (Virtual Pointer) is a pointer that points to the Vtable of an object.

    • Vtable is created by the compiler for each class that has virtual functions.

    • VPTR is added as a hidden member in each object of a class with virtual...

  • Answered by AI
  • Q4. What are friend functions in C++?
  • Ans. 

    Friend functions in C++ are functions that are not members of a class but have access to its private and protected members.

    • Friend functions are declared inside a class with the keyword 'friend'.

    • They can access private and protected members of the class.

    • They are not member functions of the class, but have the same access rights as member functions.

    • Friend functions are useful when you want to allow a function external to

  • Answered by AI
Round 3 - Video Call 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Medium

This was also a DS/Algo round where I was given 2 questions to solve and I was expected to come up with the optimal approach as far as possible. I solved both the questions with the optimal time and space complexities and then I was asked some more questions related to DBMS towards the end of the interview.

  • Q1. 

    Top View of a Binary Tree

    You are given a binary tree. Your task is to print the Top View of the Binary Tree, displaying the nodes from left to right order.

    Input:

    The first line contains an integer 't'...
  • Ans. 

    The task is to print the Top View of a Binary Tree from left to right order.

    • Use a map to store the horizontal distance of each node from the root.

    • Perform a level order traversal of the tree and keep track of the horizontal distance of each node.

    • Print the nodes in the map in ascending order of their horizontal distance.

    • Handle the case where multiple nodes have the same horizontal distance by printing the one that appear

  • Answered by AI
  • Q2. 

    Count Palindromic Substrings Problem Statement

    Given a string STR, determine the total number of palindromic substrings within STR.

    Input:

    The first line contains an integer 't' representing the number ...
  • Ans. 

    Count the total number of palindromic substrings in a given string.

    • Iterate through each character in the string and expand around it to find palindromic substrings.

    • Use dynamic programming to store previously calculated palindromic substrings.

    • Consider both odd and even length palindromes while counting.

    • Example: For input 'abbc', palindromic substrings are ['a', 'b', 'b', 'c', 'bb']. Total count is 5.

  • Answered by AI
  • Q3. What is the difference between the DELETE and TRUNCATE commands in a DBMS?
  • Ans. 

    DELETE removes specific rows from a table, while TRUNCATE removes all rows and resets auto-increment values.

    • DELETE is a DML command, while TRUNCATE is a DDL command.

    • DELETE can be rolled back, while TRUNCATE cannot be rolled back.

    • DELETE triggers delete triggers, while TRUNCATE does not trigger any triggers.

    • DELETE is slower as it maintains logs, while TRUNCATE is faster as it does not maintain logs.

    • Example: DELETE FROM t

  • Answered by AI
  • Q4. What is meant by normalization and denormalization?
  • Ans. 

    Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity, while denormalization is the process of intentionally introducing redundancy to improve performance.

    • Normalization involves breaking down a table into smaller tables and defining relationships between them to reduce redundancy and dependency.

    • Denormalization involves combining tables and duplicating data to impr...

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPACadence Design Systems interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

Intel Interview FAQs

How many rounds are there in Intel Senior Developer interview?
Intel interview process usually has 1 rounds. The most common rounds in the Intel interview process are Technical.
How to prepare for Intel Senior Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Intel. The most common topics and skills that interviewers at Intel expect are Ajax, Apache, J2Ee, JQuery and JSP.

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Intel Senior Developer Interview Process

based on 1 interview

Interview experience

3
  
Average
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Intel Senior Developer Salary
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₹21 L/yr - ₹32 L/yr
75% more than the average Senior Developer Salary in India
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