Texas Instruments Interview Questions, Process, and Tips

Round duration - 120 Minutes
Round difficulty - Medium

It's MCQ based round. And there is different different sections of analog ,digital , aptitude and computer fundamentals. -ve marking is also there -0.5 for each wrong question.

Q1. Factorial of a Number
Write a program to find the factorial of a number.
Factorial of n is:
n! = n * (n-1) * (n-2) * (n-3)....* 1
Output the factorial of 'n'. If it does not exist, output ...read more
Ans. Using while() loop
• This can be done using an if-else-if ladder to check for negative,0, and positive numbers.
• If the input is a positive number use a while loop to multiply n with n-1, n-2…1 and get the desired output.
Space Complexity: O(1)Explanation: Time Complexity: O(1)Explanation:
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Round duration - 50 minutes
Round difficulty - Easy

1 coding question

Q1. String Palindrome
Given a string, determine if it is a palindrome, considering only alphanumeric characters.
Palindrome
A palindrome is a word, number, phrase, or other sequences of characters which read...read more
Ans. Space Complexity: Explanation: Time Complexity: Explanation:
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Round duration - 55 minutes
Round difficulty - Medium

It's pure coding, project explaination and oops concepts based round.

Q1. N Stacks In An Array
Design a data structure to implement ‘N’ stacks using a single array of size ‘S’. It should support the following operations:
push(X, M): Pushes an element X into the Mth stack. Retur...read more
Ans. Dividing The Array Equally Into N Parts
Note: This approach will give wrong answer on test cases.
• A brute approach could be to divide the array of size S, into N parts of size S/N each.
• We use these parts to implement the N number of stacks.
• For example, if we have an array of size S:
  • The first stack will use the subarray Array[0, S/N - 1].
  • The second stack will use the subarray Array[S/N, 2*S/N - 1].
  • And so one till the Nth ...read more
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Round duration - 45 minutes
Round difficulty - Medium

The first Round was held on Hackerrank and the questions were of medium difficulty based on Data Structures and Algorithms.
The time of test was 1:00 PM and it was of 45 minutes with 2 coding questions to be solved.

Q1. Josephus
‘N’ people are standing in a circle numbered from ‘1’ to ‘N’ in clockwise order. First, the person numbered 1 will proceed in a clockwise direction and will skip K-1 persons including itself and w...read more
Ans. 
This question is about finding the position of the last person surviving in a circle of N people, where each person kills the Kth person in a clockwise direction.
• Implement a function that takes the number of test cases, N, and K as input

• For each test case, simulate the killing process by iterating through the circle and skipping K-1 people

• Keep track of the position of the last person surviving and return it as the outp
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Q2. Meetings II
Stark Industry is planning to organize Stark Expo, for which various departments have to organize meetings to check their preparations. Since Stark Tower has limited rooms available for the mee...read more
Ans. 
The task is to find the minimum number of conference rooms required to organize all the meetings.
• Sort the meetings based on their start time.

• Initialize a priority queue to store the end times of the meetings in ascending order.

• Iterate through the sorted meetings and check if the start time of the current meeting is greater than the end time of the meeting at the top of the priority queue.

• If it is, remove the meeting fr...read more
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Round duration - 75 minutes
Round difficulty - Medium

A google Doc was shared with us and we were supposed to write code there.
Use of IDEs was not allowed so we had to write correct code on Google Docs which was later checked by them through online IDEs.
The Interviewer were friendly and observative and helped us through code if we made some silly error.

Q1. Snake and Ladder
You have been given a Snake and Ladder Board with 'N' rows and 'N' columns with the numbers written from 1 to (N*N) starting from the bottom left of the board, and alternat...read more
Ans. 
The question is about finding the minimum number of throws required to reach the last cell on a Snake and Ladder board.
• The board is represented as a 2D matrix with N rows and N columns.

• Each square on the board can have a snake or ladder, represented by a non-negative number.

• The destination of a snake or ladder is the value at the corresponding square.

• You can only take a snake or ladder once per move.

• If the destination ...read more
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Q2. Largest rectangle in a histogram
You have been given an array/list 'HEIGHTS' of length ‘N. 'HEIGHTS' represents the histogram and each element of 'HEIGHTS' represents the height of ...read more
Ans. 
The task is to find the largest rectangle possible in a given histogram and return its area.
• Iterate through the histogram and maintain a stack to keep track of the indices of the bars in non-decreasing order of heights.

• For each bar, calculate the area of the rectangle that can be formed using that bar as the smallest bar.

• To calculate the area, pop the bars from the stack until a bar with a smaller height is encountered...read more
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Round duration - 60 minutes
Round difficulty - Easy

The face to face round was held on Google Meet where initially Interviewer asked a DS/Algo problem and then Later Manager Joined and asked about our resume projects in detail.
The time was 10:00 AM

Q1. Maximum sum rectangle
You are given an M X N matrix of integers ARR. Your task is to find the maximum sum rectangle.
Maximum sum rectangle is a rectangle with the maximum value for the sum of integers pr...read more
Ans. 
The task is to find the maximum sum rectangle in a given matrix of integers.
• Iterate through all possible rectangles in the matrix

• Calculate the sum of each rectangle

• Keep track of the maximum sum rectangle found so far

• Return the maximum sum
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Q2. XOR Query
Assume you initially have an empty array say ‘ARR’.
You need to return the updated array provided that some ‘Q’ number of queries were performed on this array.
The queries are of two types:
...read more
Ans. 
The problem requires updating an array based on a series of queries, where each query can either insert a value or perform a bitwise XOR operation on all elements.
• Use a loop to iterate through each query and update the array accordingly

• For type 1 query, append the value to the end of the array

• For type 2 query, perform a bitwise XOR operation on each element of the array with the given value

• Return the updated array afte
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Q3. Basic HR Questions
Tell one incident when you were not able to cooperate with your team member and how did you work together.
Why Texas Instrument , which is a Semiconductor Company ?
Ans. 
I had a disagreement with a team member over the approach to a project. We resolved it by discussing our perspectives and finding a middle ground.
• During a group project, my team member and I had different ideas on how to tackle a problem.

• We initially struggled to find common ground and it affected our collaboration.

• To resolve the issue, we scheduled a meeting to discuss our perspectives and understand each other's view...read more
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Basics appt ...
graph
case study
basic maths

Q1. Digital design VLSI fabrication question STA
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Q1. Simple behavioral talk
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